Home / 75,489.40-113,167.14-38,000.44

Finding the Fourth Proportional to 75,489.40, 113,167.14 and 38,000.44

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Solution

The fourth proportional to 75,489.40, 113,167.14 and 38,000.44 is: 56,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,489.40 : 113,167.14 = 38,000.44 : x
  2. Step 2: Convert to fraction form
    75,489.40/113,167.14 = 38,000.44/x
  3. Step 3: Cross multiply
    75,489.40x = 113,167.14 × 38,000.44
  4. Step 4: Simplify right side
    75,489.40x = 4,300,401,113.54
  5. Step 5: Solve for x
    x = 4,300,401,113.54/75,489.40
  6. Step 6: Final answer
    x = 56,966.95

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1.5x scale

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.