Home / 71,115.36-98,132.56-45,576.64

Finding the Fourth Proportional to 71,115.36, 98,132.56 and 45,576.64

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Solution

The fourth proportional to 71,115.36, 98,132.56 and 45,576.64 is: 62,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,115.36 : 98,132.56 = 45,576.64 : x
  2. Step 2: Convert to fraction form
    71,115.36/98,132.56 = 45,576.64/x
  3. Step 3: Cross multiply
    71,115.36x = 98,132.56 × 45,576.64
  4. Step 4: Simplify right side
    71,115.36x = 4,472,552,359.40
  5. Step 5: Solve for x
    x = 4,472,552,359.40/71,115.36
  6. Step 6: Final answer
    x = 62,891.51

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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.