Home / 68,274.06-94,172.10-59,305.94

Finding the Fourth Proportional to 68,274.06, 94,172.10 and 59,305.94

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Solution

The fourth proportional to 68,274.06, 94,172.10 and 59,305.94 is: 81,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,274.06 : 94,172.10 = 59,305.94 : x
  2. Step 2: Convert to fraction form
    68,274.06/94,172.10 = 59,305.94/x
  3. Step 3: Cross multiply
    68,274.06x = 94,172.10 × 59,305.94
  4. Step 4: Simplify right side
    68,274.06x = 5,584,964,912.27
  5. Step 5: Solve for x
    x = 5,584,964,912.27/68,274.06
  6. Step 6: Final answer
    x = 81,802.15

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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.