Home / 73,801.20-101,849.94-55,867.80

Finding the Fourth Proportional to 73,801.20, 101,849.94 and 55,867.80

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Solution

The fourth proportional to 73,801.20, 101,849.94 and 55,867.80 is: 77,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,801.20 : 101,849.94 = 55,867.80 : x
  2. Step 2: Convert to fraction form
    73,801.20/101,849.94 = 55,867.80/x
  3. Step 3: Cross multiply
    73,801.20x = 101,849.94 × 55,867.80
  4. Step 4: Simplify right side
    73,801.20x = 5,690,132,077.93
  5. Step 5: Solve for x
    x = 5,690,132,077.93/73,801.20
  6. Step 6: Final answer
    x = 77,100.81

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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.