Home / 76,839.12-115,262.28-37,349.16

Finding the Fourth Proportional to 76,839.12, 115,262.28 and 37,349.16

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Solution

The fourth proportional to 76,839.12, 115,262.28 and 37,349.16 is: 56,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,839.12 : 115,262.28 = 37,349.16 : x
  2. Step 2: Convert to fraction form
    76,839.12/115,262.28 = 37,349.16/x
  3. Step 3: Cross multiply
    76,839.12x = 115,262.28 × 37,349.16
  4. Step 4: Simplify right side
    76,839.12x = 4,304,949,337.68
  5. Step 5: Solve for x
    x = 4,304,949,337.68/76,839.12
  6. Step 6: Final answer
    x = 56,025.49

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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.