Home / 83,962.36-115,815.99-49,947.83

Finding the Fourth Proportional to 83,962.36, 115,815.99 and 49,947.83

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Solution

The fourth proportional to 83,962.36, 115,815.99 and 49,947.83 is: 68,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,962.36 : 115,815.99 = 49,947.83 : x
  2. Step 2: Convert to fraction form
    83,962.36/115,815.99 = 49,947.83/x
  3. Step 3: Cross multiply
    83,962.36x = 115,815.99 × 49,947.83
  4. Step 4: Simplify right side
    83,962.36x = 5,784,757,379.80
  5. Step 5: Solve for x
    x = 5,784,757,379.80/83,962.36
  6. Step 6: Final answer
    x = 68,897.03

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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.