Home / 67,217.20-92,754.24-38,924.72

Finding the Fourth Proportional to 67,217.20, 92,754.24 and 38,924.72

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Solution

The fourth proportional to 67,217.20, 92,754.24 and 38,924.72 is: 53,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,217.20 : 92,754.24 = 38,924.72 : x
  2. Step 2: Convert to fraction form
    67,217.20/92,754.24 = 38,924.72/x
  3. Step 3: Cross multiply
    67,217.20x = 92,754.24 × 38,924.72
  4. Step 4: Simplify right side
    67,217.20x = 3,610,432,820.81
  5. Step 5: Solve for x
    x = 3,610,432,820.81/67,217.20
  6. Step 6: Final answer
    x = 53,712.93

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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.