Home / 42,395.13-63,593.90-11,230.38

Finding the Fourth Proportional to 42,395.13, 63,593.90 and 11,230.38

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Solution

The fourth proportional to 42,395.13, 63,593.90 and 11,230.38 is: 16,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,395.13 : 63,593.90 = 11,230.38 : x
  2. Step 2: Convert to fraction form
    42,395.13/63,593.90 = 11,230.38/x
  3. Step 3: Cross multiply
    42,395.13x = 63,593.90 × 11,230.38
  4. Step 4: Simplify right side
    42,395.13x = 714,183,372.79
  5. Step 5: Solve for x
    x = 714,183,372.79/42,395.13
  6. Step 6: Final answer
    x = 16,845.88

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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.