Home / 89,328.79-123,274.07-49,046.68

Finding the Fourth Proportional to 89,328.79, 123,274.07 and 49,046.68

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Solution

The fourth proportional to 89,328.79, 123,274.07 and 49,046.68 is: 67,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,328.79 : 123,274.07 = 49,046.68 : x
  2. Step 2: Convert to fraction form
    89,328.79/123,274.07 = 49,046.68/x
  3. Step 3: Cross multiply
    89,328.79x = 123,274.07 × 49,046.68
  4. Step 4: Simplify right side
    89,328.79x = 6,046,183,863.59
  5. Step 5: Solve for x
    x = 6,046,183,863.59/89,328.79
  6. Step 6: Final answer
    x = 67,684.60

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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.