Home / 47,707.76-71,555.16-18,133.04

Finding the Fourth Proportional to 47,707.76, 71,555.16 and 18,133.04

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Solution

The fourth proportional to 47,707.76, 71,555.16 and 18,133.04 is: 27,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,707.76 : 71,555.16 = 18,133.04 : x
  2. Step 2: Convert to fraction form
    47,707.76/71,555.16 = 18,133.04/x
  3. Step 3: Cross multiply
    47,707.76x = 71,555.16 × 18,133.04
  4. Step 4: Simplify right side
    47,707.76x = 1,297,512,578.49
  5. Step 5: Solve for x
    x = 1,297,512,578.49/47,707.76
  6. Step 6: Final answer
    x = 27,197.10

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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.