Home / 108,044.88-149,103.28-62,724.77

Finding the Fourth Proportional to 108,044.88, 149,103.28 and 62,724.77

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Solution

The fourth proportional to 108,044.88, 149,103.28 and 62,724.77 is: 86,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,044.88 : 149,103.28 = 62,724.77 : x
  2. Step 2: Convert to fraction form
    108,044.88/149,103.28 = 62,724.77/x
  3. Step 3: Cross multiply
    108,044.88x = 149,103.28 × 62,724.77
  4. Step 4: Simplify right side
    108,044.88x = 9,352,468,944.25
  5. Step 5: Solve for x
    x = 9,352,468,944.25/108,044.88
  6. Step 6: Final answer
    x = 86,560.96

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1.5x scale

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.