Home / 85,144.82-117,481.88-49,332.65

Finding the Fourth Proportional to 85,144.82, 117,481.88 and 49,332.65

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Solution

The fourth proportional to 85,144.82, 117,481.88 and 49,332.65 is: 68,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,144.82 : 117,481.88 = 49,332.65 : x
  2. Step 2: Convert to fraction form
    85,144.82/117,481.88 = 49,332.65/x
  3. Step 3: Cross multiply
    85,144.82x = 117,481.88 × 49,332.65
  4. Step 4: Simplify right side
    85,144.82x = 5,795,692,220.72
  5. Step 5: Solve for x
    x = 5,795,692,220.72/85,144.82
  6. Step 6: Final answer
    x = 68,068.64

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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.