Home / 71,218.83-98,295.12-45,757.02

Finding the Fourth Proportional to 71,218.83, 98,295.12 and 45,757.02

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Solution

The fourth proportional to 71,218.83, 98,295.12 and 45,757.02 is: 63,153.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,218.83 : 98,295.12 = 45,757.02 : x
  2. Step 2: Convert to fraction form
    71,218.83/98,295.12 = 45,757.02/x
  3. Step 3: Cross multiply
    71,218.83x = 98,295.12 × 45,757.02
  4. Step 4: Simplify right side
    71,218.83x = 4,497,691,587.44
  5. Step 5: Solve for x
    x = 4,497,691,587.44/71,218.83
  6. Step 6: Final answer
    x = 63,153.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.