Home / 108,899.44-163,306.92-42,330.76

Finding the Fourth Proportional to 108,899.44, 163,306.92 and 42,330.76

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Solution

The fourth proportional to 108,899.44, 163,306.92 and 42,330.76 is: 63,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,899.44 : 163,306.92 = 42,330.76 : x
  2. Step 2: Convert to fraction form
    108,899.44/163,306.92 = 42,330.76/x
  3. Step 3: Cross multiply
    108,899.44x = 163,306.92 × 42,330.76
  4. Step 4: Simplify right side
    108,899.44x = 6,912,906,036.86
  5. Step 5: Solve for x
    x = 6,912,906,036.86/108,899.44
  6. Step 6: Final answer
    x = 63,479.72

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1.5x scale

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.