Home / 65,250.05-90,226.31-51,797.97

Finding the Fourth Proportional to 65,250.05, 90,226.31 and 51,797.97

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Solution

The fourth proportional to 65,250.05, 90,226.31 and 51,797.97 is: 71,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.05 : 90,226.31 = 51,797.97 : x
  2. Step 2: Convert to fraction form
    65,250.05/90,226.31 = 51,797.97/x
  3. Step 3: Cross multiply
    65,250.05x = 90,226.31 × 51,797.97
  4. Step 4: Simplify right side
    65,250.05x = 4,673,539,439.60
  5. Step 5: Solve for x
    x = 4,673,539,439.60/65,250.05
  6. Step 6: Final answer
    x = 71,625.08

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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.