Home / 123,575.10-185,351.85-40,469.10

Finding the Fourth Proportional to 123,575.10, 185,351.85 and 40,469.10

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Solution

The fourth proportional to 123,575.10, 185,351.85 and 40,469.10 is: 60,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,575.10 : 185,351.85 = 40,469.10 : x
  2. Step 2: Convert to fraction form
    123,575.10/185,351.85 = 40,469.10/x
  3. Step 3: Cross multiply
    123,575.10x = 185,351.85 × 40,469.10
  4. Step 4: Simplify right side
    123,575.10x = 7,501,022,552.84
  5. Step 5: Solve for x
    x = 7,501,022,552.84/123,575.10
  6. Step 6: Final answer
    x = 60,700.11

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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.