Home / 81,203.24-112,060.62-45,393.22

Finding the Fourth Proportional to 81,203.24, 112,060.62 and 45,393.22

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Solution

The fourth proportional to 81,203.24, 112,060.62 and 45,393.22 is: 62,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,203.24 : 112,060.62 = 45,393.22 : x
  2. Step 2: Convert to fraction form
    81,203.24/112,060.62 = 45,393.22/x
  3. Step 3: Cross multiply
    81,203.24x = 112,060.62 × 45,393.22
  4. Step 4: Simplify right side
    81,203.24x = 5,086,792,377.00
  5. Step 5: Solve for x
    x = 5,086,792,377.00/81,203.24
  6. Step 6: Final answer
    x = 62,642.73

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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.