Home / 107,734.28-161,547.32-62,770.20

Finding the Fourth Proportional to 107,734.28, 161,547.32 and 62,770.20

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Solution

The fourth proportional to 107,734.28, 161,547.32 and 62,770.20 is: 94,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,734.28 : 161,547.32 = 62,770.20 : x
  2. Step 2: Convert to fraction form
    107,734.28/161,547.32 = 62,770.20/x
  3. Step 3: Cross multiply
    107,734.28x = 161,547.32 × 62,770.20
  4. Step 4: Simplify right side
    107,734.28x = 10,140,357,585.86
  5. Step 5: Solve for x
    x = 10,140,357,585.86/107,734.28
  6. Step 6: Final answer
    x = 94,123.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.