Home / 47,202.20-65,139.05-25,981.31

Finding the Fourth Proportional to 47,202.20, 65,139.05 and 25,981.31

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Solution

The fourth proportional to 47,202.20, 65,139.05 and 25,981.31 is: 35,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,202.20 : 65,139.05 = 25,981.31 : x
  2. Step 2: Convert to fraction form
    47,202.20/65,139.05 = 25,981.31/x
  3. Step 3: Cross multiply
    47,202.20x = 65,139.05 × 25,981.31
  4. Step 4: Simplify right side
    47,202.20x = 1,692,398,078.96
  5. Step 5: Solve for x
    x = 1,692,398,078.96/47,202.20
  6. Step 6: Final answer
    x = 35,854.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.