Home / 83,768.10-125,471.71-39,328.26

Finding the Fourth Proportional to 83,768.10, 125,471.71 and 39,328.26

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Solution

The fourth proportional to 83,768.10, 125,471.71 and 39,328.26 is: 58,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,768.10 : 125,471.71 = 39,328.26 : x
  2. Step 2: Convert to fraction form
    83,768.10/125,471.71 = 39,328.26/x
  3. Step 3: Cross multiply
    83,768.10x = 125,471.71 × 39,328.26
  4. Step 4: Simplify right side
    83,768.10x = 4,934,584,033.52
  5. Step 5: Solve for x
    x = 4,934,584,033.52/83,768.10
  6. Step 6: Final answer
    x = 58,907.68

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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.