Home / 73,922.89-102,013.62-39,931.38

Finding the Fourth Proportional to 73,922.89, 102,013.62 and 39,931.38

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Solution

The fourth proportional to 73,922.89, 102,013.62 and 39,931.38 is: 55,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,922.89 : 102,013.62 = 39,931.38 : x
  2. Step 2: Convert to fraction form
    73,922.89/102,013.62 = 39,931.38/x
  3. Step 3: Cross multiply
    73,922.89x = 102,013.62 × 39,931.38
  4. Step 4: Simplify right side
    73,922.89x = 4,073,544,115.33
  5. Step 5: Solve for x
    x = 4,073,544,115.33/73,922.89
  6. Step 6: Final answer
    x = 55,105.31

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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.