Home / 66,372.42-99,324.68-41,424.15

Finding the Fourth Proportional to 66,372.42, 99,324.68 and 41,424.15

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Solution

The fourth proportional to 66,372.42, 99,324.68 and 41,424.15 is: 61,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,372.42 : 99,324.68 = 41,424.15 : x
  2. Step 2: Convert to fraction form
    66,372.42/99,324.68 = 41,424.15/x
  3. Step 3: Cross multiply
    66,372.42x = 99,324.68 × 41,424.15
  4. Step 4: Simplify right side
    66,372.42x = 4,114,440,235.90
  5. Step 5: Solve for x
    x = 4,114,440,235.90/66,372.42
  6. Step 6: Final answer
    x = 61,990.21

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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.