Home / 67,422.92-100,621.71-59,949.72

Finding the Fourth Proportional to 67,422.92, 100,621.71 and 59,949.72

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Solution

The fourth proportional to 67,422.92, 100,621.71 and 59,949.72 is: 89,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,422.92 : 100,621.71 = 59,949.72 : x
  2. Step 2: Convert to fraction form
    67,422.92/100,621.71 = 59,949.72/x
  3. Step 3: Cross multiply
    67,422.92x = 100,621.71 × 59,949.72
  4. Step 4: Simplify right side
    67,422.92x = 6,032,243,340.42
  5. Step 5: Solve for x
    x = 6,032,243,340.42/67,422.92
  6. Step 6: Final answer
    x = 89,468.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.