Home / 42,344.10-63,516.16-11,179.62

Finding the Fourth Proportional to 42,344.10, 63,516.16 and 11,179.62

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Solution

The fourth proportional to 42,344.10, 63,516.16 and 11,179.62 is: 16,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,344.10 : 63,516.16 = 11,179.62 : x
  2. Step 2: Convert to fraction form
    42,344.10/63,516.16 = 11,179.62/x
  3. Step 3: Cross multiply
    42,344.10x = 63,516.16 × 11,179.62
  4. Step 4: Simplify right side
    42,344.10x = 710,086,635.55
  5. Step 5: Solve for x
    x = 710,086,635.55/42,344.10
  6. Step 6: Final answer
    x = 16,769.43

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1.5x scale

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.