Home / 89,525.25-123,545.67-48,689.75

Finding the Fourth Proportional to 89,525.25, 123,545.67 and 48,689.75

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Solution

The fourth proportional to 89,525.25, 123,545.67 and 48,689.75 is: 67,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,525.25 : 123,545.67 = 48,689.75 : x
  2. Step 2: Convert to fraction form
    89,525.25/123,545.67 = 48,689.75/x
  3. Step 3: Cross multiply
    89,525.25x = 123,545.67 × 48,689.75
  4. Step 4: Simplify right side
    89,525.25x = 6,015,407,542.43
  5. Step 5: Solve for x
    x = 6,015,407,542.43/89,525.25
  6. Step 6: Final answer
    x = 67,192.30

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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.