Home / 61,216.20-91,727.10-51,301.80

Finding the Fourth Proportional to 61,216.20, 91,727.10 and 51,301.80

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Solution

The fourth proportional to 61,216.20, 91,727.10 and 51,301.80 is: 76,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,216.20 : 91,727.10 = 51,301.80 : x
  2. Step 2: Convert to fraction form
    61,216.20/91,727.10 = 51,301.80/x
  3. Step 3: Cross multiply
    61,216.20x = 91,727.10 × 51,301.80
  4. Step 4: Simplify right side
    61,216.20x = 4,705,765,338.78
  5. Step 5: Solve for x
    x = 4,705,765,338.78/61,216.20
  6. Step 6: Final answer
    x = 76,871.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.