Home / 89,576.85-123,552.82-60,879.66

Finding the Fourth Proportional to 89,576.85, 123,552.82 and 60,879.66

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Solution

The fourth proportional to 89,576.85, 123,552.82 and 60,879.66 is: 83,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,576.85 : 123,552.82 = 60,879.66 : x
  2. Step 2: Convert to fraction form
    89,576.85/123,552.82 = 60,879.66/x
  3. Step 3: Cross multiply
    89,576.85x = 123,552.82 × 60,879.66
  4. Step 4: Simplify right side
    89,576.85x = 7,521,853,830.32
  5. Step 5: Solve for x
    x = 7,521,853,830.32/89,576.85
  6. Step 6: Final answer
    x = 83,970.96

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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.