Home / 89,983.25-124,177.88-49,696.07

Finding the Fourth Proportional to 89,983.25, 124,177.88 and 49,696.07

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Solution

The fourth proportional to 89,983.25, 124,177.88 and 49,696.07 is: 68,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.25 : 124,177.88 = 49,696.07 : x
  2. Step 2: Convert to fraction form
    89,983.25/124,177.88 = 49,696.07/x
  3. Step 3: Cross multiply
    89,983.25x = 124,177.88 × 49,696.07
  4. Step 4: Simplify right side
    89,983.25x = 6,171,153,051.62
  5. Step 5: Solve for x
    x = 6,171,153,051.62/89,983.25
  6. Step 6: Final answer
    x = 68,581.13

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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.