Home / 110,551.42-165,775.29-40,381.66

Finding the Fourth Proportional to 110,551.42, 165,775.29 and 40,381.66

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Solution

The fourth proportional to 110,551.42, 165,775.29 and 40,381.66 is: 60,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,551.42 : 165,775.29 = 40,381.66 : x
  2. Step 2: Convert to fraction form
    110,551.42/165,775.29 = 40,381.66/x
  3. Step 3: Cross multiply
    110,551.42x = 165,775.29 × 40,381.66
  4. Step 4: Simplify right side
    110,551.42x = 6,694,281,397.18
  5. Step 5: Solve for x
    x = 6,694,281,397.18/110,551.42
  6. Step 6: Final answer
    x = 60,553.55

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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.