Home / 89,504.63-123,517.28-49,218.68

Finding the Fourth Proportional to 89,504.63, 123,517.28 and 49,218.68

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Solution

The fourth proportional to 89,504.63, 123,517.28 and 49,218.68 is: 67,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,504.63 : 123,517.28 = 49,218.68 : x
  2. Step 2: Convert to fraction form
    89,504.63/123,517.28 = 49,218.68/x
  3. Step 3: Cross multiply
    89,504.63x = 123,517.28 × 49,218.68
  4. Step 4: Simplify right side
    89,504.63x = 6,079,357,478.79
  5. Step 5: Solve for x
    x = 6,079,357,478.79/89,504.63
  6. Step 6: Final answer
    x = 67,922.27

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1.5x scale

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.