Home / 103,848.10-143,317.13-57,912.92

Finding the Fourth Proportional to 103,848.10, 143,317.13 and 57,912.92

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Solution

The fourth proportional to 103,848.10, 143,317.13 and 57,912.92 is: 79,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,848.10 : 143,317.13 = 57,912.92 : x
  2. Step 2: Convert to fraction form
    103,848.10/143,317.13 = 57,912.92/x
  3. Step 3: Cross multiply
    103,848.10x = 143,317.13 × 57,912.92
  4. Step 4: Simplify right side
    103,848.10x = 8,299,913,194.76
  5. Step 5: Solve for x
    x = 8,299,913,194.76/103,848.10
  6. Step 6: Final answer
    x = 79,923.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.