Home / 47,716.10-71,574.15-47,278.70

Finding the Fourth Proportional to 47,716.10, 71,574.15 and 47,278.70

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Solution

The fourth proportional to 47,716.10, 71,574.15 and 47,278.70 is: 70,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,716.10 : 71,574.15 = 47,278.70 : x
  2. Step 2: Convert to fraction form
    47,716.10/71,574.15 = 47,278.70/x
  3. Step 3: Cross multiply
    47,716.10x = 71,574.15 × 47,278.70
  4. Step 4: Simplify right side
    47,716.10x = 3,383,932,765.61
  5. Step 5: Solve for x
    x = 3,383,932,765.61/47,716.10
  6. Step 6: Final answer
    x = 70,918.05

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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.