Home / 89,799.28-123,923.85-49,514.49

Finding the Fourth Proportional to 89,799.28, 123,923.85 and 49,514.49

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Solution

The fourth proportional to 89,799.28, 123,923.85 and 49,514.49 is: 68,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,799.28 : 123,923.85 = 49,514.49 : x
  2. Step 2: Convert to fraction form
    89,799.28/123,923.85 = 49,514.49/x
  3. Step 3: Cross multiply
    89,799.28x = 123,923.85 × 49,514.49
  4. Step 4: Simplify right side
    89,799.28x = 6,136,026,231.59
  5. Step 5: Solve for x
    x = 6,136,026,231.59/89,799.28
  6. Step 6: Final answer
    x = 68,330.46

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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.