Home / 70,073.12-96,700.88-43,231.20

Finding the Fourth Proportional to 70,073.12, 96,700.88 and 43,231.20

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Solution

The fourth proportional to 70,073.12, 96,700.88 and 43,231.20 is: 59,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,073.12 : 96,700.88 = 43,231.20 : x
  2. Step 2: Convert to fraction form
    70,073.12/96,700.88 = 43,231.20/x
  3. Step 3: Cross multiply
    70,073.12x = 96,700.88 × 43,231.20
  4. Step 4: Simplify right side
    70,073.12x = 4,180,494,867.30
  5. Step 5: Solve for x
    x = 4,180,494,867.30/70,073.12
  6. Step 6: Final answer
    x = 59,659.04

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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.