Home / 47,512.77-65,218.31-42,014.73

Finding the Fourth Proportional to 47,512.77, 65,218.31 and 42,014.73

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Solution

The fourth proportional to 47,512.77, 65,218.31 and 42,014.73 is: 57,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,512.77 : 65,218.31 = 42,014.73 : x
  2. Step 2: Convert to fraction form
    47,512.77/65,218.31 = 42,014.73/x
  3. Step 3: Cross multiply
    47,512.77x = 65,218.31 × 42,014.73
  4. Step 4: Simplify right side
    47,512.77x = 2,740,129,685.71
  5. Step 5: Solve for x
    x = 2,740,129,685.71/47,512.77
  6. Step 6: Final answer
    x = 57,671.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.