Home / 67,322.75-101,013.28-36,121.55

Finding the Fourth Proportional to 67,322.75, 101,013.28 and 36,121.55

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Solution

The fourth proportional to 67,322.75, 101,013.28 and 36,121.55 is: 54,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,322.75 : 101,013.28 = 36,121.55 : x
  2. Step 2: Convert to fraction form
    67,322.75/101,013.28 = 36,121.55/x
  3. Step 3: Cross multiply
    67,322.75x = 101,013.28 × 36,121.55
  4. Step 4: Simplify right side
    67,322.75x = 3,648,755,648.81
  5. Step 5: Solve for x
    x = 3,648,755,648.81/67,322.75
  6. Step 6: Final answer
    x = 54,197.96

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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.