Home / 75,587.92-113,377.29-28,193.88

Finding the Fourth Proportional to 75,587.92, 113,377.29 and 28,193.88

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Solution

The fourth proportional to 75,587.92, 113,377.29 and 28,193.88 is: 42,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,587.92 : 113,377.29 = 28,193.88 : x
  2. Step 2: Convert to fraction form
    75,587.92/113,377.29 = 28,193.88/x
  3. Step 3: Cross multiply
    75,587.92x = 113,377.29 × 28,193.88
  4. Step 4: Simplify right side
    75,587.92x = 3,196,545,708.99
  5. Step 5: Solve for x
    x = 3,196,545,708.99/75,587.92
  6. Step 6: Final answer
    x = 42,289.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.