Home / 73,789.20-101,798.28-48,301.80

Finding the Fourth Proportional to 73,789.20, 101,798.28 and 48,301.80

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Solution

The fourth proportional to 73,789.20, 101,798.28 and 48,301.80 is: 66,636.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,789.20 : 101,798.28 = 48,301.80 : x
  2. Step 2: Convert to fraction form
    73,789.20/101,798.28 = 48,301.80/x
  3. Step 3: Cross multiply
    73,789.20x = 101,798.28 × 48,301.80
  4. Step 4: Simplify right side
    73,789.20x = 4,917,040,160.90
  5. Step 5: Solve for x
    x = 4,917,040,160.90/73,789.20
  6. Step 6: Final answer
    x = 66,636.31

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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.