Home / 108,354.46-149,498.03-62,405.59

Finding the Fourth Proportional to 108,354.46, 149,498.03 and 62,405.59

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Solution

The fourth proportional to 108,354.46, 149,498.03 and 62,405.59 is: 86,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,354.46 : 149,498.03 = 62,405.59 : x
  2. Step 2: Convert to fraction form
    108,354.46/149,498.03 = 62,405.59/x
  3. Step 3: Cross multiply
    108,354.46x = 149,498.03 × 62,405.59
  4. Step 4: Simplify right side
    108,354.46x = 9,329,512,765.99
  5. Step 5: Solve for x
    x = 9,329,512,765.99/108,354.46
  6. Step 6: Final answer
    x = 86,101.79

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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.