Home / 76,429.62-114,592.10-38,917.08

Finding the Fourth Proportional to 76,429.62, 114,592.10 and 38,917.08

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Solution

The fourth proportional to 76,429.62, 114,592.10 and 38,917.08 is: 58,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,429.62 : 114,592.10 = 38,917.08 : x
  2. Step 2: Convert to fraction form
    76,429.62/114,592.10 = 38,917.08/x
  3. Step 3: Cross multiply
    76,429.62x = 114,592.10 × 38,917.08
  4. Step 4: Simplify right side
    76,429.62x = 4,459,589,728.48
  5. Step 5: Solve for x
    x = 4,459,589,728.48/76,429.62
  6. Step 6: Final answer
    x = 58,348.97

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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.