Home / 85,149.06-117,505.73-49,359.85

Finding the Fourth Proportional to 85,149.06, 117,505.73 and 49,359.85

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Solution

The fourth proportional to 85,149.06, 117,505.73 and 49,359.85 is: 68,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,149.06 : 117,505.73 = 49,359.85 : x
  2. Step 2: Convert to fraction form
    85,149.06/117,505.73 = 49,359.85/x
  3. Step 3: Cross multiply
    85,149.06x = 117,505.73 × 49,359.85
  4. Step 4: Simplify right side
    85,149.06x = 5,800,065,477.22
  5. Step 5: Solve for x
    x = 5,800,065,477.22/85,149.06
  6. Step 6: Final answer
    x = 68,116.61

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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.