Home / 90,862.43-136,309.23-34,707.56

Finding the Fourth Proportional to 90,862.43, 136,309.23 and 34,707.56

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Solution

The fourth proportional to 90,862.43, 136,309.23 and 34,707.56 is: 52,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,862.43 : 136,309.23 = 34,707.56 : x
  2. Step 2: Convert to fraction form
    90,862.43/136,309.23 = 34,707.56/x
  3. Step 3: Cross multiply
    90,862.43x = 136,309.23 × 34,707.56
  4. Step 4: Simplify right side
    90,862.43x = 4,730,960,097.23
  5. Step 5: Solve for x
    x = 4,730,960,097.23/90,862.43
  6. Step 6: Final answer
    x = 52,067.29

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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.