Home / 125,244.66-172,849.59-71,537.70

Finding the Fourth Proportional to 125,244.66, 172,849.59 and 71,537.70

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Solution

The fourth proportional to 125,244.66, 172,849.59 and 71,537.70 is: 98,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,244.66 : 172,849.59 = 71,537.70 : x
  2. Step 2: Convert to fraction form
    125,244.66/172,849.59 = 71,537.70/x
  3. Step 3: Cross multiply
    125,244.66x = 172,849.59 × 71,537.70
  4. Step 4: Simplify right side
    125,244.66x = 12,365,262,114.54
  5. Step 5: Solve for x
    x = 12,365,262,114.54/125,244.66
  6. Step 6: Final answer
    x = 98,728.86

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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.