Home / 215,577.90-323,342.19-57,794.04

Finding the Fourth Proportional to 215,577.90, 323,342.19 and 57,794.04

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Solution

The fourth proportional to 215,577.90, 323,342.19 and 57,794.04 is: 86,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,577.90 : 323,342.19 = 57,794.04 : x
  2. Step 2: Convert to fraction form
    215,577.90/323,342.19 = 57,794.04/x
  3. Step 3: Cross multiply
    215,577.90x = 323,342.19 × 57,794.04
  4. Step 4: Simplify right side
    215,577.90x = 18,687,251,462.55
  5. Step 5: Solve for x
    x = 18,687,251,462.55/215,577.90
  6. Step 6: Final answer
    x = 86,684.45

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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.