Home / 89,222.85-123,091.29-60,879.33

Finding the Fourth Proportional to 89,222.85, 123,091.29 and 60,879.33

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Solution

The fourth proportional to 89,222.85, 123,091.29 and 60,879.33 is: 83,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,222.85 : 123,091.29 = 60,879.33 : x
  2. Step 2: Convert to fraction form
    89,222.85/123,091.29 = 60,879.33/x
  3. Step 3: Cross multiply
    89,222.85x = 123,091.29 × 60,879.33
  4. Step 4: Simplify right side
    89,222.85x = 7,493,715,264.04
  5. Step 5: Solve for x
    x = 7,493,715,264.04/89,222.85
  6. Step 6: Final answer
    x = 83,988.75

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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.