Home / 42,136.20-63,213.72-15,841.16

Finding the Fourth Proportional to 42,136.20, 63,213.72 and 15,841.16

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Solution

The fourth proportional to 42,136.20, 63,213.72 and 15,841.16 is: 23,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,136.20 : 63,213.72 = 15,841.16 : x
  2. Step 2: Convert to fraction form
    42,136.20/63,213.72 = 15,841.16/x
  3. Step 3: Cross multiply
    42,136.20x = 63,213.72 × 15,841.16
  4. Step 4: Simplify right side
    42,136.20x = 1,001,378,652.72
  5. Step 5: Solve for x
    x = 1,001,378,652.72/42,136.20
  6. Step 6: Final answer
    x = 23,765.28

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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.