Home / 67,031.68-92,515.04-38,753.76

Finding the Fourth Proportional to 67,031.68, 92,515.04 and 38,753.76

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Solution

The fourth proportional to 67,031.68, 92,515.04 and 38,753.76 is: 53,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,031.68 : 92,515.04 = 38,753.76 : x
  2. Step 2: Convert to fraction form
    67,031.68/92,515.04 = 38,753.76/x
  3. Step 3: Cross multiply
    67,031.68x = 92,515.04 × 38,753.76
  4. Step 4: Simplify right side
    67,031.68x = 3,585,305,656.55
  5. Step 5: Solve for x
    x = 3,585,305,656.55/67,031.68
  6. Step 6: Final answer
    x = 53,486.73

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1.5x scale

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.