Home / 107,087.56-147,779.10-59,340.76

Finding the Fourth Proportional to 107,087.56, 147,779.10 and 59,340.76

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Solution

The fourth proportional to 107,087.56, 147,779.10 and 59,340.76 is: 81,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,087.56 : 147,779.10 = 59,340.76 : x
  2. Step 2: Convert to fraction form
    107,087.56/147,779.10 = 59,340.76/x
  3. Step 3: Cross multiply
    107,087.56x = 147,779.10 × 59,340.76
  4. Step 4: Simplify right side
    107,087.56x = 8,769,324,106.12
  5. Step 5: Solve for x
    x = 8,769,324,106.12/107,087.56
  6. Step 6: Final answer
    x = 81,889.29

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Half scale
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Double scale
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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.