Home / 89,610.68-123,661.75-49,323.57

Finding the Fourth Proportional to 89,610.68, 123,661.75 and 49,323.57

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Solution

The fourth proportional to 89,610.68, 123,661.75 and 49,323.57 is: 68,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,610.68 : 123,661.75 = 49,323.57 : x
  2. Step 2: Convert to fraction form
    89,610.68/123,661.75 = 49,323.57/x
  3. Step 3: Cross multiply
    89,610.68x = 123,661.75 × 49,323.57
  4. Step 4: Simplify right side
    89,610.68x = 6,099,438,982.45
  5. Step 5: Solve for x
    x = 6,099,438,982.45/89,610.68
  6. Step 6: Final answer
    x = 68,065.98

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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.