Home / 83,135.52-114,729.86-49,173.10

Finding the Fourth Proportional to 83,135.52, 114,729.86 and 49,173.10

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Solution

The fourth proportional to 83,135.52, 114,729.86 and 49,173.10 is: 67,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135.52 : 114,729.86 = 49,173.10 : x
  2. Step 2: Convert to fraction form
    83,135.52/114,729.86 = 49,173.10/x
  3. Step 3: Cross multiply
    83,135.52x = 114,729.86 × 49,173.10
  4. Step 4: Simplify right side
    83,135.52x = 5,641,622,714.87
  5. Step 5: Solve for x
    x = 5,641,622,714.87/83,135.52
  6. Step 6: Final answer
    x = 67,860.56

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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.