Home / 80,696.06-121,044.10-21,531.95

Finding the Fourth Proportional to 80,696.06, 121,044.10 and 21,531.95

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Solution

The fourth proportional to 80,696.06, 121,044.10 and 21,531.95 is: 32,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,696.06 : 121,044.10 = 21,531.95 : x
  2. Step 2: Convert to fraction form
    80,696.06/121,044.10 = 21,531.95/x
  3. Step 3: Cross multiply
    80,696.06x = 121,044.10 × 21,531.95
  4. Step 4: Simplify right side
    80,696.06x = 2,606,315,509.00
  5. Step 5: Solve for x
    x = 2,606,315,509.00/80,696.06
  6. Step 6: Final answer
    x = 32,297.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.