Home / 103,060.74-142,191.54-57,732.60

Finding the Fourth Proportional to 103,060.74, 142,191.54 and 57,732.60

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Solution

The fourth proportional to 103,060.74, 142,191.54 and 57,732.60 is: 79,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,060.74 : 142,191.54 = 57,732.60 : x
  2. Step 2: Convert to fraction form
    103,060.74/142,191.54 = 57,732.60/x
  3. Step 3: Cross multiply
    103,060.74x = 142,191.54 × 57,732.60
  4. Step 4: Simplify right side
    103,060.74x = 8,209,087,302.20
  5. Step 5: Solve for x
    x = 8,209,087,302.20/103,060.74
  6. Step 6: Final answer
    x = 79,652.90

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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.