Home / 47,695.71-71,543.51-18,113.49

Finding the Fourth Proportional to 47,695.71, 71,543.51 and 18,113.49

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Solution

The fourth proportional to 47,695.71, 71,543.51 and 18,113.49 is: 27,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,695.71 : 71,543.51 = 18,113.49 : x
  2. Step 2: Convert to fraction form
    47,695.71/71,543.51 = 18,113.49/x
  3. Step 3: Cross multiply
    47,695.71x = 71,543.51 × 18,113.49
  4. Step 4: Simplify right side
    47,695.71x = 1,295,902,562.38
  5. Step 5: Solve for x
    x = 1,295,902,562.38/47,695.71
  6. Step 6: Final answer
    x = 27,170.21

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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.