Home / 73,765.20-101,805.12-45,078.96

Finding the Fourth Proportional to 73,765.20, 101,805.12 and 45,078.96

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Solution

The fourth proportional to 73,765.20, 101,805.12 and 45,078.96 is: 62,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,765.20 : 101,805.12 = 45,078.96 : x
  2. Step 2: Convert to fraction form
    73,765.20/101,805.12 = 45,078.96/x
  3. Step 3: Cross multiply
    73,765.20x = 101,805.12 × 45,078.96
  4. Step 4: Simplify right side
    73,765.20x = 4,589,268,932.28
  5. Step 5: Solve for x
    x = 4,589,268,932.28/73,765.20
  6. Step 6: Final answer
    x = 62,214.55

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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.