Home / 40,517.72-60,776.09-10,529.30

Finding the Fourth Proportional to 40,517.72, 60,776.09 and 10,529.30

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Solution

The fourth proportional to 40,517.72, 60,776.09 and 10,529.30 is: 15,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,517.72 : 60,776.09 = 10,529.30 : x
  2. Step 2: Convert to fraction form
    40,517.72/60,776.09 = 10,529.30/x
  3. Step 3: Cross multiply
    40,517.72x = 60,776.09 × 10,529.30
  4. Step 4: Simplify right side
    40,517.72x = 639,929,327.91
  5. Step 5: Solve for x
    x = 639,929,327.91/40,517.72
  6. Step 6: Final answer
    x = 15,793.82

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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.