Home / 125,849.99-173,633.90-71,393.20

Finding the Fourth Proportional to 125,849.99, 173,633.90 and 71,393.20

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Solution

The fourth proportional to 125,849.99, 173,633.90 and 71,393.20 is: 98,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,849.99 : 173,633.90 = 71,393.20 : x
  2. Step 2: Convert to fraction form
    125,849.99/173,633.90 = 71,393.20/x
  3. Step 3: Cross multiply
    125,849.99x = 173,633.90 × 71,393.20
  4. Step 4: Simplify right side
    125,849.99x = 12,396,278,958.43
  5. Step 5: Solve for x
    x = 12,396,278,958.43/125,849.99
  6. Step 6: Final answer
    x = 98,500.43

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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.