Home / 107,067.42-147,757.77-59,320.76

Finding the Fourth Proportional to 107,067.42, 147,757.77 and 59,320.76

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Solution

The fourth proportional to 107,067.42, 147,757.77 and 59,320.76 is: 81,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,067.42 : 147,757.77 = 59,320.76 : x
  2. Step 2: Convert to fraction form
    107,067.42/147,757.77 = 59,320.76/x
  3. Step 3: Cross multiply
    107,067.42x = 147,757.77 × 59,320.76
  4. Step 4: Simplify right side
    107,067.42x = 8,765,102,473.52
  5. Step 5: Solve for x
    x = 8,765,102,473.52/107,067.42
  6. Step 6: Final answer
    x = 81,865.26

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1.5x scale

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.