Home / 66,471.19-99,685.22-22,086.02

Finding the Fourth Proportional to 66,471.19, 99,685.22 and 22,086.02

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Solution

The fourth proportional to 66,471.19, 99,685.22 and 22,086.02 is: 33,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,471.19 : 99,685.22 = 22,086.02 : x
  2. Step 2: Convert to fraction form
    66,471.19/99,685.22 = 22,086.02/x
  3. Step 3: Cross multiply
    66,471.19x = 99,685.22 × 22,086.02
  4. Step 4: Simplify right side
    66,471.19x = 2,201,649,901.41
  5. Step 5: Solve for x
    x = 2,201,649,901.41/66,471.19
  6. Step 6: Final answer
    x = 33,121.87

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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.