Home / 83,339.19-115,010.05-47,528.43

Finding the Fourth Proportional to 83,339.19, 115,010.05 and 47,528.43

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Solution

The fourth proportional to 83,339.19, 115,010.05 and 47,528.43 is: 65,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,339.19 : 115,010.05 = 47,528.43 : x
  2. Step 2: Convert to fraction form
    83,339.19/115,010.05 = 47,528.43/x
  3. Step 3: Cross multiply
    83,339.19x = 115,010.05 × 47,528.43
  4. Step 4: Simplify right side
    83,339.19x = 5,466,247,517.07
  5. Step 5: Solve for x
    x = 5,466,247,517.07/83,339.19
  6. Step 6: Final answer
    x = 65,590.36

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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.