Home / 42,253.68-63,375.72-11,091.36

Finding the Fourth Proportional to 42,253.68, 63,375.72 and 11,091.36

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Solution

The fourth proportional to 42,253.68, 63,375.72 and 11,091.36 is: 16,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,253.68 : 63,375.72 = 11,091.36 : x
  2. Step 2: Convert to fraction form
    42,253.68/63,375.72 = 11,091.36/x
  3. Step 3: Cross multiply
    42,253.68x = 63,375.72 × 11,091.36
  4. Step 4: Simplify right side
    42,253.68x = 702,922,925.78
  5. Step 5: Solve for x
    x = 702,922,925.78/42,253.68
  6. Step 6: Final answer
    x = 16,635.78

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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.