Home / 89,693.09-123,777.48-49,406.02

Finding the Fourth Proportional to 89,693.09, 123,777.48 and 49,406.02

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Solution

The fourth proportional to 89,693.09, 123,777.48 and 49,406.02 is: 68,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,693.09 : 123,777.48 = 49,406.02 : x
  2. Step 2: Convert to fraction form
    89,693.09/123,777.48 = 49,406.02/x
  3. Step 3: Cross multiply
    89,693.09x = 123,777.48 × 49,406.02
  4. Step 4: Simplify right side
    89,693.09x = 6,115,352,528.26
  5. Step 5: Solve for x
    x = 6,115,352,528.26/89,693.09
  6. Step 6: Final answer
    x = 68,180.87

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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.