Home / 89,443.44-123,423.84-49,156.68

Finding the Fourth Proportional to 89,443.44, 123,423.84 and 49,156.68

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Solution

The fourth proportional to 89,443.44, 123,423.84 and 49,156.68 is: 67,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,443.44 : 123,423.84 = 49,156.68 : x
  2. Step 2: Convert to fraction form
    89,443.44/123,423.84 = 49,156.68/x
  3. Step 3: Cross multiply
    89,443.44x = 123,423.84 × 49,156.68
  4. Step 4: Simplify right side
    89,443.44x = 6,067,106,207.25
  5. Step 5: Solve for x
    x = 6,067,106,207.25/89,443.44
  6. Step 6: Final answer
    x = 67,831.76

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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.