Home / 98,250.82-135,588.33-57,974.38

Finding the Fourth Proportional to 98,250.82, 135,588.33 and 57,974.38

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Solution

The fourth proportional to 98,250.82, 135,588.33 and 57,974.38 is: 80,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,250.82 : 135,588.33 = 57,974.38 : x
  2. Step 2: Convert to fraction form
    98,250.82/135,588.33 = 57,974.38/x
  3. Step 3: Cross multiply
    98,250.82x = 135,588.33 × 57,974.38
  4. Step 4: Simplify right side
    98,250.82x = 7,860,649,366.99
  5. Step 5: Solve for x
    x = 7,860,649,366.99/98,250.82
  6. Step 6: Final answer
    x = 80,005.94

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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.