Home / 89,469.90-123,457.86-49,177.08

Finding the Fourth Proportional to 89,469.90, 123,457.86 and 49,177.08

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Solution

The fourth proportional to 89,469.90, 123,457.86 and 49,177.08 is: 67,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,469.90 : 123,457.86 = 49,177.08 : x
  2. Step 2: Convert to fraction form
    89,469.90/123,457.86 = 49,177.08/x
  3. Step 3: Cross multiply
    89,469.90x = 123,457.86 × 49,177.08
  4. Step 4: Simplify right side
    89,469.90x = 6,071,297,057.85
  5. Step 5: Solve for x
    x = 6,071,297,057.85/89,469.90
  6. Step 6: Final answer
    x = 67,858.54

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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.