Home / 53,781.27-80,327.85-48,707.88

Finding the Fourth Proportional to 53,781.27, 80,327.85 and 48,707.88

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Solution

The fourth proportional to 53,781.27, 80,327.85 and 48,707.88 is: 72,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.27 : 80,327.85 = 48,707.88 : x
  2. Step 2: Convert to fraction form
    53,781.27/80,327.85 = 48,707.88/x
  3. Step 3: Cross multiply
    53,781.27x = 80,327.85 × 48,707.88
  4. Step 4: Simplify right side
    53,781.27x = 3,912,599,520.40
  5. Step 5: Solve for x
    x = 3,912,599,520.40/53,781.27
  6. Step 6: Final answer
    x = 72,750.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.