Home / 125,839.13-173,657.90-69,250.51

Finding the Fourth Proportional to 125,839.13, 173,657.90 and 69,250.51

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Solution

The fourth proportional to 125,839.13, 173,657.90 and 69,250.51 is: 95,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,839.13 : 173,657.90 = 69,250.51 : x
  2. Step 2: Convert to fraction form
    125,839.13/173,657.90 = 69,250.51/x
  3. Step 3: Cross multiply
    125,839.13x = 173,657.90 × 69,250.51
  4. Step 4: Simplify right side
    125,839.13x = 12,025,897,879.51
  5. Step 5: Solve for x
    x = 12,025,897,879.51/125,839.13
  6. Step 6: Final answer
    x = 95,565.65

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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.