Home / 91,932.98-137,954.55-39,342.52

Finding the Fourth Proportional to 91,932.98, 137,954.55 and 39,342.52

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Solution

The fourth proportional to 91,932.98, 137,954.55 and 39,342.52 is: 59,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,932.98 : 137,954.55 = 39,342.52 : x
  2. Step 2: Convert to fraction form
    91,932.98/137,954.55 = 39,342.52/x
  3. Step 3: Cross multiply
    91,932.98x = 137,954.55 × 39,342.52
  4. Step 4: Simplify right side
    91,932.98x = 5,427,479,642.47
  5. Step 5: Solve for x
    x = 5,427,479,642.47/91,932.98
  6. Step 6: Final answer
    x = 59,037.35

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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.