Home / 125,821.20-173,632.96-69,232.58

Finding the Fourth Proportional to 125,821.20, 173,632.96 and 69,232.58

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Solution

The fourth proportional to 125,821.20, 173,632.96 and 69,232.58 is: 95,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,821.20 : 173,632.96 = 69,232.58 : x
  2. Step 2: Convert to fraction form
    125,821.20/173,632.96 = 69,232.58/x
  3. Step 3: Cross multiply
    125,821.20x = 173,632.96 × 69,232.58
  4. Step 4: Simplify right side
    125,821.20x = 12,021,057,793.84
  5. Step 5: Solve for x
    x = 12,021,057,793.84/125,821.20
  6. Step 6: Final answer
    x = 95,540.80

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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.