Home / 71,203.24-98,257.52-40,991.66

Finding the Fourth Proportional to 71,203.24, 98,257.52 and 40,991.66

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Solution

The fourth proportional to 71,203.24, 98,257.52 and 40,991.66 is: 56,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,203.24 : 98,257.52 = 40,991.66 : x
  2. Step 2: Convert to fraction form
    71,203.24/98,257.52 = 40,991.66/x
  3. Step 3: Cross multiply
    71,203.24x = 98,257.52 × 40,991.66
  4. Step 4: Simplify right side
    71,203.24x = 4,027,738,852.28
  5. Step 5: Solve for x
    x = 4,027,738,852.28/71,203.24
  6. Step 6: Final answer
    x = 56,566.79

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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.