Home / 89,999.07-124,196.33-49,711.97

Finding the Fourth Proportional to 89,999.07, 124,196.33 and 49,711.97

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Solution

The fourth proportional to 89,999.07, 124,196.33 and 49,711.97 is: 68,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,999.07 : 124,196.33 = 49,711.97 : x
  2. Step 2: Convert to fraction form
    89,999.07/124,196.33 = 49,711.97/x
  3. Step 3: Cross multiply
    89,999.07x = 124,196.33 × 49,711.97
  4. Step 4: Simplify right side
    89,999.07x = 6,174,044,231.07
  5. Step 5: Solve for x
    x = 6,174,044,231.07/89,999.07
  6. Step 6: Final answer
    x = 68,601.20

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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.