Home / 85,441.50-117,908.01-49,651.65

Finding the Fourth Proportional to 85,441.50, 117,908.01 and 49,651.65

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Solution

The fourth proportional to 85,441.50, 117,908.01 and 49,651.65 is: 68,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,441.50 : 117,908.01 = 49,651.65 : x
  2. Step 2: Convert to fraction form
    85,441.50/117,908.01 = 49,651.65/x
  3. Step 3: Cross multiply
    85,441.50x = 117,908.01 × 49,651.65
  4. Step 4: Simplify right side
    85,441.50x = 5,854,327,244.72
  5. Step 5: Solve for x
    x = 5,854,327,244.72/85,441.50
  6. Step 6: Final answer
    x = 68,518.54

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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.