Home / 42,328.56-63,503.42-29,872.90

Finding the Fourth Proportional to 42,328.56, 63,503.42 and 29,872.90

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Solution

The fourth proportional to 42,328.56, 63,503.42 and 29,872.90 is: 44,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,328.56 : 63,503.42 = 29,872.90 : x
  2. Step 2: Convert to fraction form
    42,328.56/63,503.42 = 29,872.90/x
  3. Step 3: Cross multiply
    42,328.56x = 63,503.42 × 29,872.90
  4. Step 4: Simplify right side
    42,328.56x = 1,897,031,007.19
  5. Step 5: Solve for x
    x = 1,897,031,007.19/42,328.56
  6. Step 6: Final answer
    x = 44,816.81

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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.