Home / 80,212.05-110,695.24-46,217.90

Finding the Fourth Proportional to 80,212.05, 110,695.24 and 46,217.90

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Solution

The fourth proportional to 80,212.05, 110,695.24 and 46,217.90 is: 63,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,212.05 : 110,695.24 = 46,217.90 : x
  2. Step 2: Convert to fraction form
    80,212.05/110,695.24 = 46,217.90/x
  3. Step 3: Cross multiply
    80,212.05x = 110,695.24 × 46,217.90
  4. Step 4: Simplify right side
    80,212.05x = 5,116,101,867.31
  5. Step 5: Solve for x
    x = 5,116,101,867.31/80,212.05
  6. Step 6: Final answer
    x = 63,782.21

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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.