Home / 77,207.04-115,773.54-37,717.92

Finding the Fourth Proportional to 77,207.04, 115,773.54 and 37,717.92

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Solution

The fourth proportional to 77,207.04, 115,773.54 and 37,717.92 is: 56,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207.04 : 115,773.54 = 37,717.92 : x
  2. Step 2: Convert to fraction form
    77,207.04/115,773.54 = 37,717.92/x
  3. Step 3: Cross multiply
    77,207.04x = 115,773.54 × 37,717.92
  4. Step 4: Simplify right side
    77,207.04x = 4,366,737,119.84
  5. Step 5: Solve for x
    x = 4,366,737,119.84/77,207.04
  6. Step 6: Final answer
    x = 56,558.79

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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.