Home / 80,011.54-110,425.20-47,754.10

Finding the Fourth Proportional to 80,011.54, 110,425.20 and 47,754.10

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Solution

The fourth proportional to 80,011.54, 110,425.20 and 47,754.10 is: 65,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,011.54 : 110,425.20 = 47,754.10 : x
  2. Step 2: Convert to fraction form
    80,011.54/110,425.20 = 47,754.10/x
  3. Step 3: Cross multiply
    80,011.54x = 110,425.20 × 47,754.10
  4. Step 4: Simplify right side
    80,011.54x = 5,273,256,043.32
  5. Step 5: Solve for x
    x = 5,273,256,043.32/80,011.54
  6. Step 6: Final answer
    x = 65,906.19

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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.