Home / 89,957.39-124,143.13-49,673.71

Finding the Fourth Proportional to 89,957.39, 124,143.13 and 49,673.71

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Solution

The fourth proportional to 89,957.39, 124,143.13 and 49,673.71 is: 68,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,957.39 : 124,143.13 = 49,673.71 : x
  2. Step 2: Convert to fraction form
    89,957.39/124,143.13 = 49,673.71/x
  3. Step 3: Cross multiply
    89,957.39x = 124,143.13 × 49,673.71
  4. Step 4: Simplify right side
    89,957.39x = 6,166,649,357.08
  5. Step 5: Solve for x
    x = 6,166,649,357.08/89,957.39
  6. Step 6: Final answer
    x = 68,550.78

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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.