Home / 109,764.24-151,465.92-62,021.76

Finding the Fourth Proportional to 109,764.24, 151,465.92 and 62,021.76

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Solution

The fourth proportional to 109,764.24, 151,465.92 and 62,021.76 is: 85,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,764.24 : 151,465.92 = 62,021.76 : x
  2. Step 2: Convert to fraction form
    109,764.24/151,465.92 = 62,021.76/x
  3. Step 3: Cross multiply
    109,764.24x = 151,465.92 × 62,021.76
  4. Step 4: Simplify right side
    109,764.24x = 9,394,182,938.42
  5. Step 5: Solve for x
    x = 9,394,182,938.42/109,764.24
  6. Step 6: Final answer
    x = 85,585.10

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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.