Home / 49,253.06-67,971.96-29,121.73

Finding the Fourth Proportional to 49,253.06, 67,971.96 and 29,121.73

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Solution

The fourth proportional to 49,253.06, 67,971.96 and 29,121.73 is: 40,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,253.06 : 67,971.96 = 29,121.73 : x
  2. Step 2: Convert to fraction form
    49,253.06/67,971.96 = 29,121.73/x
  3. Step 3: Cross multiply
    49,253.06x = 67,971.96 × 29,121.73
  4. Step 4: Simplify right side
    49,253.06x = 1,979,460,896.76
  5. Step 5: Solve for x
    x = 1,979,460,896.76/49,253.06
  6. Step 6: Final answer
    x = 40,189.60

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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.