Home / 42,537.68-63,801.66-11,375.36

Finding the Fourth Proportional to 42,537.68, 63,801.66 and 11,375.36

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Solution

The fourth proportional to 42,537.68, 63,801.66 and 11,375.36 is: 17,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,537.68 : 63,801.66 = 11,375.36 : x
  2. Step 2: Convert to fraction form
    42,537.68/63,801.66 = 11,375.36/x
  3. Step 3: Cross multiply
    42,537.68x = 63,801.66 × 11,375.36
  4. Step 4: Simplify right side
    42,537.68x = 725,766,851.10
  5. Step 5: Solve for x
    x = 725,766,851.10/42,537.68
  6. Step 6: Final answer
    x = 17,061.74

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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.