Home / 67,242.04-100,839.51-19,844.55

Finding the Fourth Proportional to 67,242.04, 100,839.51 and 19,844.55

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Solution

The fourth proportional to 67,242.04, 100,839.51 and 19,844.55 is: 29,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,242.04 : 100,839.51 = 19,844.55 : x
  2. Step 2: Convert to fraction form
    67,242.04/100,839.51 = 19,844.55/x
  3. Step 3: Cross multiply
    67,242.04x = 100,839.51 × 19,844.55
  4. Step 4: Simplify right side
    67,242.04x = 2,001,114,698.17
  5. Step 5: Solve for x
    x = 2,001,114,698.17/67,242.04
  6. Step 6: Final answer
    x = 29,759.87

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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.