Home / 108,434.73-149,638.26-60,687.93

Finding the Fourth Proportional to 108,434.73, 149,638.26 and 60,687.93

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Solution

The fourth proportional to 108,434.73, 149,638.26 and 60,687.93 is: 83,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,434.73 : 149,638.26 = 60,687.93 : x
  2. Step 2: Convert to fraction form
    108,434.73/149,638.26 = 60,687.93/x
  3. Step 3: Cross multiply
    108,434.73x = 149,638.26 × 60,687.93
  4. Step 4: Simplify right side
    108,434.73x = 9,081,236,248.20
  5. Step 5: Solve for x
    x = 9,081,236,248.20/108,434.73
  6. Step 6: Final answer
    x = 83,748.41

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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.