Home / 73,984.23-102,098.25-39,992.63

Finding the Fourth Proportional to 73,984.23, 102,098.25 and 39,992.63

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Solution

The fourth proportional to 73,984.23, 102,098.25 and 39,992.63 is: 55,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,984.23 : 102,098.25 = 39,992.63 : x
  2. Step 2: Convert to fraction form
    73,984.23/102,098.25 = 39,992.63/x
  3. Step 3: Cross multiply
    73,984.23x = 102,098.25 × 39,992.63
  4. Step 4: Simplify right side
    73,984.23x = 4,083,177,025.41
  5. Step 5: Solve for x
    x = 4,083,177,025.41/73,984.23
  6. Step 6: Final answer
    x = 55,189.83

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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.