Home / 125,586.74-173,310.20-71,872.65

Finding the Fourth Proportional to 125,586.74, 173,310.20 and 71,872.65

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Solution

The fourth proportional to 125,586.74, 173,310.20 and 71,872.65 is: 99,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,586.74 : 173,310.20 = 71,872.65 : x
  2. Step 2: Convert to fraction form
    125,586.74/173,310.20 = 71,872.65/x
  3. Step 3: Cross multiply
    125,586.74x = 173,310.20 × 71,872.65
  4. Step 4: Simplify right side
    125,586.74x = 12,456,263,346.03
  5. Step 5: Solve for x
    x = 12,456,263,346.03/125,586.74
  6. Step 6: Final answer
    x = 99,184.54

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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.