Home / 77,747.94-116,654.70-38,305.38

Finding the Fourth Proportional to 77,747.94, 116,654.70 and 38,305.38

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Solution

The fourth proportional to 77,747.94, 116,654.70 and 38,305.38 is: 57,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,747.94 : 116,654.70 = 38,305.38 : x
  2. Step 2: Convert to fraction form
    77,747.94/116,654.70 = 38,305.38/x
  3. Step 3: Cross multiply
    77,747.94x = 116,654.70 × 38,305.38
  4. Step 4: Simplify right side
    77,747.94x = 4,468,502,612.29
  5. Step 5: Solve for x
    x = 4,468,502,612.29/77,747.94
  6. Step 6: Final answer
    x = 57,474.23

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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.