Home / 76,816.71-115,145.94-29,418.90

Finding the Fourth Proportional to 76,816.71, 115,145.94 and 29,418.90

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Solution

The fourth proportional to 76,816.71, 115,145.94 and 29,418.90 is: 44,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,816.71 : 115,145.94 = 29,418.90 : x
  2. Step 2: Convert to fraction form
    76,816.71/115,145.94 = 29,418.90/x
  3. Step 3: Cross multiply
    76,816.71x = 115,145.94 × 29,418.90
  4. Step 4: Simplify right side
    76,816.71x = 3,387,466,894.27
  5. Step 5: Solve for x
    x = 3,387,466,894.27/76,816.71
  6. Step 6: Final answer
    x = 44,098.05

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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.