Home / 66,781.11-92,154.45-36,560.64

Finding the Fourth Proportional to 66,781.11, 92,154.45 and 36,560.64

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Solution

The fourth proportional to 66,781.11, 92,154.45 and 36,560.64 is: 50,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,781.11 : 92,154.45 = 36,560.64 : x
  2. Step 2: Convert to fraction form
    66,781.11/92,154.45 = 36,560.64/x
  3. Step 3: Cross multiply
    66,781.11x = 92,154.45 × 36,560.64
  4. Step 4: Simplify right side
    66,781.11x = 3,369,225,670.85
  5. Step 5: Solve for x
    x = 3,369,225,670.85/66,781.11
  6. Step 6: Final answer
    x = 50,451.78

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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.