Home / 89,619.01-123,677.77-49,336.53

Finding the Fourth Proportional to 89,619.01, 123,677.77 and 49,336.53

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Solution

The fourth proportional to 89,619.01, 123,677.77 and 49,336.53 is: 68,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,619.01 : 123,677.77 = 49,336.53 : x
  2. Step 2: Convert to fraction form
    89,619.01/123,677.77 = 49,336.53/x
  3. Step 3: Cross multiply
    89,619.01x = 123,677.77 × 49,336.53
  4. Step 4: Simplify right side
    89,619.01x = 6,101,832,009.94
  5. Step 5: Solve for x
    x = 6,101,832,009.94/89,619.01
  6. Step 6: Final answer
    x = 68,086.36

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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.