Home / 74,092.72-111,201.24-69,421.84

Finding the Fourth Proportional to 74,092.72, 111,201.24 and 69,421.84

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Solution

The fourth proportional to 74,092.72, 111,201.24 and 69,421.84 is: 104,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,092.72 : 111,201.24 = 69,421.84 : x
  2. Step 2: Convert to fraction form
    74,092.72/111,201.24 = 69,421.84/x
  3. Step 3: Cross multiply
    74,092.72x = 111,201.24 × 69,421.84
  4. Step 4: Simplify right side
    74,092.72x = 7,719,794,691.08
  5. Step 5: Solve for x
    x = 7,719,794,691.08/74,092.72
  6. Step 6: Final answer
    x = 104,191.00

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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.