Home / 108,387.52-149,583.62-62,461.45

Finding the Fourth Proportional to 108,387.52, 149,583.62 and 62,461.45

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Solution

The fourth proportional to 108,387.52, 149,583.62 and 62,461.45 is: 86,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,387.52 : 149,583.62 = 62,461.45 : x
  2. Step 2: Convert to fraction form
    108,387.52/149,583.62 = 62,461.45/x
  3. Step 3: Cross multiply
    108,387.52x = 149,583.62 × 62,461.45
  4. Step 4: Simplify right side
    108,387.52x = 9,343,209,209.68
  5. Step 5: Solve for x
    x = 9,343,209,209.68/108,387.52
  6. Step 6: Final answer
    x = 86,201.90

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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.