Home / 66,918.44-92,363.62-45,444.04

Finding the Fourth Proportional to 66,918.44, 92,363.62 and 45,444.04

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Solution

The fourth proportional to 66,918.44, 92,363.62 and 45,444.04 is: 62,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,918.44 : 92,363.62 = 45,444.04 : x
  2. Step 2: Convert to fraction form
    66,918.44/92,363.62 = 45,444.04/x
  3. Step 3: Cross multiply
    66,918.44x = 92,363.62 × 45,444.04
  4. Step 4: Simplify right side
    66,918.44x = 4,197,375,654.70
  5. Step 5: Solve for x
    x = 4,197,375,654.70/66,918.44
  6. Step 6: Final answer
    x = 62,723.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.