Home / 75,308.91-112,884.55-25,371.76

Finding the Fourth Proportional to 75,308.91, 112,884.55 and 25,371.76

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Solution

The fourth proportional to 75,308.91, 112,884.55 and 25,371.76 is: 38,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,308.91 : 112,884.55 = 25,371.76 : x
  2. Step 2: Convert to fraction form
    75,308.91/112,884.55 = 25,371.76/x
  3. Step 3: Cross multiply
    75,308.91x = 112,884.55 × 25,371.76
  4. Step 4: Simplify right side
    75,308.91x = 2,864,079,401.55
  5. Step 5: Solve for x
    x = 2,864,079,401.55/75,308.91
  6. Step 6: Final answer
    x = 38,031.08

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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.