Home / 90,502.64-124,891.73-50,215.53

Finding the Fourth Proportional to 90,502.64, 124,891.73 and 50,215.53

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Solution

The fourth proportional to 90,502.64, 124,891.73 and 50,215.53 is: 69,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,502.64 : 124,891.73 = 50,215.53 : x
  2. Step 2: Convert to fraction form
    90,502.64/124,891.73 = 50,215.53/x
  3. Step 3: Cross multiply
    90,502.64x = 124,891.73 × 50,215.53
  4. Step 4: Simplify right side
    90,502.64x = 6,271,504,163.49
  5. Step 5: Solve for x
    x = 6,271,504,163.49/90,502.64
  6. Step 6: Final answer
    x = 69,296.37

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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.