Home / 47,713.22-71,532.19-30,146.02

Finding the Fourth Proportional to 47,713.22, 71,532.19 and 30,146.02

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Solution

The fourth proportional to 47,713.22, 71,532.19 and 30,146.02 is: 45,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713.22 : 71,532.19 = 30,146.02 : x
  2. Step 2: Convert to fraction form
    47,713.22/71,532.19 = 30,146.02/x
  3. Step 3: Cross multiply
    47,713.22x = 71,532.19 × 30,146.02
  4. Step 4: Simplify right side
    47,713.22x = 2,156,410,830.38
  5. Step 5: Solve for x
    x = 2,156,410,830.38/47,713.22
  6. Step 6: Final answer
    x = 45,195.25

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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.