Home / 66,112.20-99,233.10-32,869.80

Finding the Fourth Proportional to 66,112.20, 99,233.10 and 32,869.80

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Solution

The fourth proportional to 66,112.20, 99,233.10 and 32,869.80 is: 49,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112.20 : 99,233.10 = 32,869.80 : x
  2. Step 2: Convert to fraction form
    66,112.20/99,233.10 = 32,869.80/x
  3. Step 3: Cross multiply
    66,112.20x = 99,233.10 × 32,869.80
  4. Step 4: Simplify right side
    66,112.20x = 3,261,772,150.38
  5. Step 5: Solve for x
    x = 3,261,772,150.38/66,112.20
  6. Step 6: Final answer
    x = 49,336.92

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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.