Home / 125,026.78-172,494.24-71,273.04

Finding the Fourth Proportional to 125,026.78, 172,494.24 and 71,273.04

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Solution

The fourth proportional to 125,026.78, 172,494.24 and 71,273.04 is: 98,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,026.78 : 172,494.24 = 71,273.04 : x
  2. Step 2: Convert to fraction form
    125,026.78/172,494.24 = 71,273.04/x
  3. Step 3: Cross multiply
    125,026.78x = 172,494.24 × 71,273.04
  4. Step 4: Simplify right side
    125,026.78x = 12,294,188,867.29
  5. Step 5: Solve for x
    x = 12,294,188,867.29/125,026.78
  6. Step 6: Final answer
    x = 98,332.44

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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.