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Finding the Fourth Proportional to 71,793.51, 107,690.28 and 32,304.49

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Solution

The fourth proportional to 71,793.51, 107,690.28 and 32,304.49 is: 48,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,793.51 : 107,690.28 = 32,304.49 : x
  2. Step 2: Convert to fraction form
    71,793.51/107,690.28 = 32,304.49/x
  3. Step 3: Cross multiply
    71,793.51x = 107,690.28 × 32,304.49
  4. Step 4: Simplify right side
    71,793.51x = 3,478,879,182.99
  5. Step 5: Solve for x
    x = 3,478,879,182.99/71,793.51
  6. Step 6: Final answer
    x = 48,456.74

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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.