Home / 83,605.62-115,368.12-49,608.26

Finding the Fourth Proportional to 83,605.62, 115,368.12 and 49,608.26

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Solution

The fourth proportional to 83,605.62, 115,368.12 and 49,608.26 is: 68,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,605.62 : 115,368.12 = 49,608.26 : x
  2. Step 2: Convert to fraction form
    83,605.62/115,368.12 = 49,608.26/x
  3. Step 3: Cross multiply
    83,605.62x = 115,368.12 × 49,608.26
  4. Step 4: Simplify right side
    83,605.62x = 5,723,211,115.83
  5. Step 5: Solve for x
    x = 5,723,211,115.83/83,605.62
  6. Step 6: Final answer
    x = 68,454.86

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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.