Home / 62,689.57-86,437.53-51,317.17

Finding the Fourth Proportional to 62,689.57, 86,437.53 and 51,317.17

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Solution

The fourth proportional to 62,689.57, 86,437.53 and 51,317.17 is: 70,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,689.57 : 86,437.53 = 51,317.17 : x
  2. Step 2: Convert to fraction form
    62,689.57/86,437.53 = 51,317.17/x
  3. Step 3: Cross multiply
    62,689.57x = 86,437.53 × 51,317.17
  4. Step 4: Simplify right side
    62,689.57x = 4,435,729,421.39
  5. Step 5: Solve for x
    x = 4,435,729,421.39/62,689.57
  6. Step 6: Final answer
    x = 70,757.06

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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.