Home / 104,781.64-157,170.92-25,895.87

Finding the Fourth Proportional to 104,781.64, 157,170.92 and 25,895.87

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Solution

The fourth proportional to 104,781.64, 157,170.92 and 25,895.87 is: 38,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781.64 : 157,170.92 = 25,895.87 : x
  2. Step 2: Convert to fraction form
    104,781.64/157,170.92 = 25,895.87/x
  3. Step 3: Cross multiply
    104,781.64x = 157,170.92 × 25,895.87
  4. Step 4: Simplify right side
    104,781.64x = 4,070,077,712.10
  5. Step 5: Solve for x
    x = 4,070,077,712.10/104,781.64
  6. Step 6: Final answer
    x = 38,843.43

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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.