Home / 42,537.75-63,801.76-11,375.43

Finding the Fourth Proportional to 42,537.75, 63,801.76 and 11,375.43

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Solution

The fourth proportional to 42,537.75, 63,801.76 and 11,375.43 is: 17,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,537.75 : 63,801.76 = 11,375.43 : x
  2. Step 2: Convert to fraction form
    42,537.75/63,801.76 = 11,375.43/x
  3. Step 3: Cross multiply
    42,537.75x = 63,801.76 × 11,375.43
  4. Step 4: Simplify right side
    42,537.75x = 725,772,454.76
  5. Step 5: Solve for x
    x = 725,772,454.76/42,537.75
  6. Step 6: Final answer
    x = 17,061.84

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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.