Home / 83,730.78-125,541.36-27,551.52

Finding the Fourth Proportional to 83,730.78, 125,541.36 and 27,551.52

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Solution

The fourth proportional to 83,730.78, 125,541.36 and 27,551.52 is: 41,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,730.78 : 125,541.36 = 27,551.52 : x
  2. Step 2: Convert to fraction form
    83,730.78/125,541.36 = 27,551.52/x
  3. Step 3: Cross multiply
    83,730.78x = 125,541.36 × 27,551.52
  4. Step 4: Simplify right side
    83,730.78x = 3,458,855,290.87
  5. Step 5: Solve for x
    x = 3,458,855,290.87/83,730.78
  6. Step 6: Final answer
    x = 41,309.24

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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.