Home / 109,767.76-151,480.68-59,468.56

Finding the Fourth Proportional to 109,767.76, 151,480.68 and 59,468.56

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Solution

The fourth proportional to 109,767.76, 151,480.68 and 59,468.56 is: 82,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,767.76 : 151,480.68 = 59,468.56 : x
  2. Step 2: Convert to fraction form
    109,767.76/151,480.68 = 59,468.56/x
  3. Step 3: Cross multiply
    109,767.76x = 151,480.68 × 59,468.56
  4. Step 4: Simplify right side
    109,767.76x = 9,008,337,907.42
  5. Step 5: Solve for x
    x = 9,008,337,907.42/109,767.76
  6. Step 6: Final answer
    x = 82,067.25

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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.