Home / 62,869.68-86,759.28-34,575.12

Finding the Fourth Proportional to 62,869.68, 86,759.28 and 34,575.12

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Solution

The fourth proportional to 62,869.68, 86,759.28 and 34,575.12 is: 47,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,869.68 : 86,759.28 = 34,575.12 : x
  2. Step 2: Convert to fraction form
    62,869.68/86,759.28 = 34,575.12/x
  3. Step 3: Cross multiply
    62,869.68x = 86,759.28 × 34,575.12
  4. Step 4: Simplify right side
    62,869.68x = 2,999,712,517.11
  5. Step 5: Solve for x
    x = 2,999,712,517.11/62,869.68
  6. Step 6: Final answer
    x = 47,713.18

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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.