Home / 89,602.24-123,650.25-49,315.65

Finding the Fourth Proportional to 89,602.24, 123,650.25 and 49,315.65

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Solution

The fourth proportional to 89,602.24, 123,650.25 and 49,315.65 is: 68,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,602.24 : 123,650.25 = 49,315.65 : x
  2. Step 2: Convert to fraction form
    89,602.24/123,650.25 = 49,315.65/x
  3. Step 3: Cross multiply
    89,602.24x = 123,650.25 × 49,315.65
  4. Step 4: Simplify right side
    89,602.24x = 6,097,892,759.15
  5. Step 5: Solve for x
    x = 6,097,892,759.15/89,602.24
  6. Step 6: Final answer
    x = 68,055.13

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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.