Home / 89,606.55-123,656.06-49,319.45

Finding the Fourth Proportional to 89,606.55, 123,656.06 and 49,319.45

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Solution

The fourth proportional to 89,606.55, 123,656.06 and 49,319.45 is: 68,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,606.55 : 123,656.06 = 49,319.45 : x
  2. Step 2: Convert to fraction form
    89,606.55/123,656.06 = 49,319.45/x
  3. Step 3: Cross multiply
    89,606.55x = 123,656.06 × 49,319.45
  4. Step 4: Simplify right side
    89,606.55x = 6,098,648,188.44
  5. Step 5: Solve for x
    x = 6,098,648,188.44/89,606.55
  6. Step 6: Final answer
    x = 68,060.29

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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.