Home / 125,766.66-173,557.17-71,329.20

Finding the Fourth Proportional to 125,766.66, 173,557.17 and 71,329.20

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Solution

The fourth proportional to 125,766.66, 173,557.17 and 71,329.20 is: 98,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,766.66 : 173,557.17 = 71,329.20 : x
  2. Step 2: Convert to fraction form
    125,766.66/173,557.17 = 71,329.20/x
  3. Step 3: Cross multiply
    125,766.66x = 173,557.17 × 71,329.20
  4. Step 4: Simplify right side
    125,766.66x = 12,379,694,090.36
  5. Step 5: Solve for x
    x = 12,379,694,090.36/125,766.66
  6. Step 6: Final answer
    x = 98,433.83

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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.