Home / 91,572.58-137,313.69-38,248.66

Finding the Fourth Proportional to 91,572.58, 137,313.69 and 38,248.66

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Solution

The fourth proportional to 91,572.58, 137,313.69 and 38,248.66 is: 57,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,572.58 : 137,313.69 = 38,248.66 : x
  2. Step 2: Convert to fraction form
    91,572.58/137,313.69 = 38,248.66/x
  3. Step 3: Cross multiply
    91,572.58x = 137,313.69 × 38,248.66
  4. Step 4: Simplify right side
    91,572.58x = 5,252,064,642.16
  5. Step 5: Solve for x
    x = 5,252,064,642.16/91,572.58
  6. Step 6: Final answer
    x = 57,354.12

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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.