Home / 89,853.70-123,998.97-49,569.16

Finding the Fourth Proportional to 89,853.70, 123,998.97 and 49,569.16

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Solution

The fourth proportional to 89,853.70, 123,998.97 and 49,569.16 is: 68,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,853.70 : 123,998.97 = 49,569.16 : x
  2. Step 2: Convert to fraction form
    89,853.70/123,998.97 = 49,569.16/x
  3. Step 3: Cross multiply
    89,853.70x = 123,998.97 × 49,569.16
  4. Step 4: Simplify right side
    89,853.70x = 6,146,524,783.77
  5. Step 5: Solve for x
    x = 6,146,524,783.77/89,853.70
  6. Step 6: Final answer
    x = 68,405.92

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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.