Home / 125,650.38-173,398.86-68,289.70

Finding the Fourth Proportional to 125,650.38, 173,398.86 and 68,289.70

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Solution

The fourth proportional to 125,650.38, 173,398.86 and 68,289.70 is: 94,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,650.38 : 173,398.86 = 68,289.70 : x
  2. Step 2: Convert to fraction form
    125,650.38/173,398.86 = 68,289.70/x
  3. Step 3: Cross multiply
    125,650.38x = 173,398.86 × 68,289.70
  4. Step 4: Simplify right side
    125,650.38x = 11,841,356,129.74
  5. Step 5: Solve for x
    x = 11,841,356,129.74/125,650.38
  6. Step 6: Final answer
    x = 94,240.51

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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.