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Finding the Fourth Proportional to 80,010.54, 110,423.82 and 47,753.10

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Solution

The fourth proportional to 80,010.54, 110,423.82 and 47,753.10 is: 65,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,010.54 : 110,423.82 = 47,753.10 : x
  2. Step 2: Convert to fraction form
    80,010.54/110,423.82 = 47,753.10/x
  3. Step 3: Cross multiply
    80,010.54x = 110,423.82 × 47,753.10
  4. Step 4: Simplify right side
    80,010.54x = 5,273,079,718.84
  5. Step 5: Solve for x
    x = 5,273,079,718.84/80,010.54
  6. Step 6: Final answer
    x = 65,904.81

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1.5x scale

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.