Home / 91,932.48-137,953.80-39,342.02

Finding the Fourth Proportional to 91,932.48, 137,953.80 and 39,342.02

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Solution

The fourth proportional to 91,932.48, 137,953.80 and 39,342.02 is: 59,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,932.48 : 137,953.80 = 39,342.02 : x
  2. Step 2: Convert to fraction form
    91,932.48/137,953.80 = 39,342.02/x
  3. Step 3: Cross multiply
    91,932.48x = 137,953.80 × 39,342.02
  4. Step 4: Simplify right side
    91,932.48x = 5,427,380,468.91
  5. Step 5: Solve for x
    x = 5,427,380,468.91/91,932.48
  6. Step 6: Final answer
    x = 59,036.59

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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.