Home / 76,581.60-114,872.40-24,007.20

Finding the Fourth Proportional to 76,581.60, 114,872.40 and 24,007.20

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Solution

The fourth proportional to 76,581.60, 114,872.40 and 24,007.20 is: 36,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,581.60 : 114,872.40 = 24,007.20 : x
  2. Step 2: Convert to fraction form
    76,581.60/114,872.40 = 24,007.20/x
  3. Step 3: Cross multiply
    76,581.60x = 114,872.40 × 24,007.20
  4. Step 4: Simplify right side
    76,581.60x = 2,757,764,681.28
  5. Step 5: Solve for x
    x = 2,757,764,681.28/76,581.60
  6. Step 6: Final answer
    x = 36,010.80

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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.