Home / 70,917.20-97,867.92-40,708.04

Finding the Fourth Proportional to 70,917.20, 97,867.92 and 40,708.04

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Solution

The fourth proportional to 70,917.20, 97,867.92 and 40,708.04 is: 56,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,917.20 : 97,867.92 = 40,708.04 : x
  2. Step 2: Convert to fraction form
    70,917.20/97,867.92 = 40,708.04/x
  3. Step 3: Cross multiply
    70,917.20x = 97,867.92 × 40,708.04
  4. Step 4: Simplify right side
    70,917.20x = 3,984,011,202.08
  5. Step 5: Solve for x
    x = 3,984,011,202.08/70,917.20
  6. Step 6: Final answer
    x = 56,178.35

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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.