Home / 71,625.08-107,381.46-45,274.52

Finding the Fourth Proportional to 71,625.08, 107,381.46 and 45,274.52

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Solution

The fourth proportional to 71,625.08, 107,381.46 and 45,274.52 is: 67,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,625.08 : 107,381.46 = 45,274.52 : x
  2. Step 2: Convert to fraction form
    71,625.08/107,381.46 = 45,274.52/x
  3. Step 3: Cross multiply
    71,625.08x = 107,381.46 × 45,274.52
  4. Step 4: Simplify right side
    71,625.08x = 4,861,644,058.40
  5. Step 5: Solve for x
    x = 4,861,644,058.40/71,625.08
  6. Step 6: Final answer
    x = 67,876.28

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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.