Home / 83,843.11-115,702.33-45,601.83

Finding the Fourth Proportional to 83,843.11, 115,702.33 and 45,601.83

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Solution

The fourth proportional to 83,843.11, 115,702.33 and 45,601.83 is: 62,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,843.11 : 115,702.33 = 45,601.83 : x
  2. Step 2: Convert to fraction form
    83,843.11/115,702.33 = 45,601.83/x
  3. Step 3: Cross multiply
    83,843.11x = 115,702.33 × 45,601.83
  4. Step 4: Simplify right side
    83,843.11x = 5,276,237,983.26
  5. Step 5: Solve for x
    x = 5,276,237,983.26/83,843.11
  6. Step 6: Final answer
    x = 62,929.89

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1.5x scale

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.