Home / 85,232.89-117,552.33-75,001.85

Finding the Fourth Proportional to 85,232.89, 117,552.33 and 75,001.85

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Solution

The fourth proportional to 85,232.89, 117,552.33 and 75,001.85 is: 103,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232.89 : 117,552.33 = 75,001.85 : x
  2. Step 2: Convert to fraction form
    85,232.89/117,552.33 = 75,001.85/x
  3. Step 3: Cross multiply
    85,232.89x = 117,552.33 × 75,001.85
  4. Step 4: Simplify right side
    85,232.89x = 8,816,642,074.87
  5. Step 5: Solve for x
    x = 8,816,642,074.87/85,232.89
  6. Step 6: Final answer
    x = 103,441.78

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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.