Home / 89,569.06-123,608.28-49,285.78

Finding the Fourth Proportional to 89,569.06, 123,608.28 and 49,285.78

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Solution

The fourth proportional to 89,569.06, 123,608.28 and 49,285.78 is: 68,016.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,569.06 : 123,608.28 = 49,285.78 : x
  2. Step 2: Convert to fraction form
    89,569.06/123,608.28 = 49,285.78/x
  3. Step 3: Cross multiply
    89,569.06x = 123,608.28 × 49,285.78
  4. Step 4: Simplify right side
    89,569.06x = 6,092,130,494.26
  5. Step 5: Solve for x
    x = 6,092,130,494.26/89,569.06
  6. Step 6: Final answer
    x = 68,016.01

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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.