Home / 83,099.60-124,625.10-29,785.40

Finding the Fourth Proportional to 83,099.60, 124,625.10 and 29,785.40

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Solution

The fourth proportional to 83,099.60, 124,625.10 and 29,785.40 is: 44,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,099.60 : 124,625.10 = 29,785.40 : x
  2. Step 2: Convert to fraction form
    83,099.60/124,625.10 = 29,785.40/x
  3. Step 3: Cross multiply
    83,099.60x = 124,625.10 × 29,785.40
  4. Step 4: Simplify right side
    83,099.60x = 3,712,008,453.54
  5. Step 5: Solve for x
    x = 3,712,008,453.54/83,099.60
  6. Step 6: Final answer
    x = 44,669.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.