Home / 66,157.18-99,236.10-32,869.42

Finding the Fourth Proportional to 66,157.18, 99,236.10 and 32,869.42

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Solution

The fourth proportional to 66,157.18, 99,236.10 and 32,869.42 is: 49,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,157.18 : 99,236.10 = 32,869.42 : x
  2. Step 2: Convert to fraction form
    66,157.18/99,236.10 = 32,869.42/x
  3. Step 3: Cross multiply
    66,157.18x = 99,236.10 × 32,869.42
  4. Step 4: Simplify right side
    66,157.18x = 3,261,833,050.06
  5. Step 5: Solve for x
    x = 3,261,833,050.06/66,157.18
  6. Step 6: Final answer
    x = 49,304.29

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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.