Home / 125,356.24-173,004.05-71,648.97

Finding the Fourth Proportional to 125,356.24, 173,004.05 and 71,648.97

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Solution

The fourth proportional to 125,356.24, 173,004.05 and 71,648.97 is: 98,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,356.24 : 173,004.05 = 71,648.97 : x
  2. Step 2: Convert to fraction form
    125,356.24/173,004.05 = 71,648.97/x
  3. Step 3: Cross multiply
    125,356.24x = 173,004.05 × 71,648.97
  4. Step 4: Simplify right side
    125,356.24x = 12,395,561,988.33
  5. Step 5: Solve for x
    x = 12,395,561,988.33/125,356.24
  6. Step 6: Final answer
    x = 98,882.69

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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.