Home / 45,565.12-68,253.88-40,313.76

Finding the Fourth Proportional to 45,565.12, 68,253.88 and 40,313.76

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Solution

The fourth proportional to 45,565.12, 68,253.88 and 40,313.76 is: 60,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,565.12 : 68,253.88 = 40,313.76 : x
  2. Step 2: Convert to fraction form
    45,565.12/68,253.88 = 40,313.76/x
  3. Step 3: Cross multiply
    45,565.12x = 68,253.88 × 40,313.76
  4. Step 4: Simplify right side
    45,565.12x = 2,751,570,247.54
  5. Step 5: Solve for x
    x = 2,751,570,247.54/45,565.12
  6. Step 6: Final answer
    x = 60,387.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.