Home / 62,381.38-86,096.02-39,730.14

Finding the Fourth Proportional to 62,381.38, 86,096.02 and 39,730.14

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Solution

The fourth proportional to 62,381.38, 86,096.02 and 39,730.14 is: 54,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,381.38 : 86,096.02 = 39,730.14 : x
  2. Step 2: Convert to fraction form
    62,381.38/86,096.02 = 39,730.14/x
  3. Step 3: Cross multiply
    62,381.38x = 86,096.02 × 39,730.14
  4. Step 4: Simplify right side
    62,381.38x = 3,420,606,928.04
  5. Step 5: Solve for x
    x = 3,420,606,928.04/62,381.38
  6. Step 6: Final answer
    x = 54,833.78

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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.