Home / 76,905.80-115,337.10-24,331.40

Finding the Fourth Proportional to 76,905.80, 115,337.10 and 24,331.40

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Solution

The fourth proportional to 76,905.80, 115,337.10 and 24,331.40 is: 36,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,905.80 : 115,337.10 = 24,331.40 : x
  2. Step 2: Convert to fraction form
    76,905.80/115,337.10 = 24,331.40/x
  3. Step 3: Cross multiply
    76,905.80x = 115,337.10 × 24,331.40
  4. Step 4: Simplify right side
    76,905.80x = 2,806,313,114.94
  5. Step 5: Solve for x
    x = 2,806,313,114.94/76,905.80
  6. Step 6: Final answer
    x = 36,490.27

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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.