Home / 73,922.45-102,013.02-39,930.93

Finding the Fourth Proportional to 73,922.45, 102,013.02 and 39,930.93

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Solution

The fourth proportional to 73,922.45, 102,013.02 and 39,930.93 is: 55,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,922.45 : 102,013.02 = 39,930.93 : x
  2. Step 2: Convert to fraction form
    73,922.45/102,013.02 = 39,930.93/x
  3. Step 3: Cross multiply
    73,922.45x = 102,013.02 × 39,930.93
  4. Step 4: Simplify right side
    73,922.45x = 4,073,474,993.52
  5. Step 5: Solve for x
    x = 4,073,474,993.52/73,922.45
  6. Step 6: Final answer
    x = 55,104.71

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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.