Home / 108,236.88-149,398.38-62,935.20

Finding the Fourth Proportional to 108,236.88, 149,398.38 and 62,935.20

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Solution

The fourth proportional to 108,236.88, 149,398.38 and 62,935.20 is: 86,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,236.88 : 149,398.38 = 62,935.20 : x
  2. Step 2: Convert to fraction form
    108,236.88/149,398.38 = 62,935.20/x
  3. Step 3: Cross multiply
    108,236.88x = 149,398.38 × 62,935.20
  4. Step 4: Simplify right side
    108,236.88x = 9,402,416,924.98
  5. Step 5: Solve for x
    x = 9,402,416,924.98/108,236.88
  6. Step 6: Final answer
    x = 86,868.88

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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.