Home / 109,920.76-151,687.96-61,523.33

Finding the Fourth Proportional to 109,920.76, 151,687.96 and 61,523.33

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Solution

The fourth proportional to 109,920.76, 151,687.96 and 61,523.33 is: 84,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,920.76 : 151,687.96 = 61,523.33 : x
  2. Step 2: Convert to fraction form
    109,920.76/151,687.96 = 61,523.33/x
  3. Step 3: Cross multiply
    109,920.76x = 151,687.96 × 61,523.33
  4. Step 4: Simplify right side
    109,920.76x = 9,332,347,507.86
  5. Step 5: Solve for x
    x = 9,332,347,507.86/109,920.76
  6. Step 6: Final answer
    x = 84,900.68

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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.