Home / 91,231.68-125,899.20-50,945.04

Finding the Fourth Proportional to 91,231.68, 125,899.20 and 50,945.04

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Solution

The fourth proportional to 91,231.68, 125,899.20 and 50,945.04 is: 70,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,231.68 : 125,899.20 = 50,945.04 : x
  2. Step 2: Convert to fraction form
    91,231.68/125,899.20 = 50,945.04/x
  3. Step 3: Cross multiply
    91,231.68x = 125,899.20 × 50,945.04
  4. Step 4: Simplify right side
    91,231.68x = 6,413,939,779.97
  5. Step 5: Solve for x
    x = 6,413,939,779.97/91,231.68
  6. Step 6: Final answer
    x = 70,303.87

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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.