Home / 89,606.93-123,656.58-49,319.82

Finding the Fourth Proportional to 89,606.93, 123,656.58 and 49,319.82

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Solution

The fourth proportional to 89,606.93, 123,656.58 and 49,319.82 is: 68,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,606.93 : 123,656.58 = 49,319.82 : x
  2. Step 2: Convert to fraction form
    89,606.93/123,656.58 = 49,319.82/x
  3. Step 3: Cross multiply
    89,606.93x = 123,656.58 × 49,319.82
  4. Step 4: Simplify right side
    89,606.93x = 6,098,720,144.12
  5. Step 5: Solve for x
    x = 6,098,720,144.12/89,606.93
  6. Step 6: Final answer
    x = 68,060.81

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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.