Home / 66,171.66-99,199.17-24,589.50

Finding the Fourth Proportional to 66,171.66, 99,199.17 and 24,589.50

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Solution

The fourth proportional to 66,171.66, 99,199.17 and 24,589.50 is: 36,862.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,171.66 : 99,199.17 = 24,589.50 : x
  2. Step 2: Convert to fraction form
    66,171.66/99,199.17 = 24,589.50/x
  3. Step 3: Cross multiply
    66,171.66x = 99,199.17 × 24,589.50
  4. Step 4: Simplify right side
    66,171.66x = 2,439,257,990.72
  5. Step 5: Solve for x
    x = 2,439,257,990.72/66,171.66
  6. Step 6: Final answer
    x = 36,862.58

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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.