Home / 68,022.53-101,519.39-66,251.06

Finding the Fourth Proportional to 68,022.53, 101,519.39 and 66,251.06

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Solution

The fourth proportional to 68,022.53, 101,519.39 and 66,251.06 is: 98,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,022.53 : 101,519.39 = 66,251.06 : x
  2. Step 2: Convert to fraction form
    68,022.53/101,519.39 = 66,251.06/x
  3. Step 3: Cross multiply
    68,022.53x = 101,519.39 × 66,251.06
  4. Step 4: Simplify right side
    68,022.53x = 6,725,766,690.46
  5. Step 5: Solve for x
    x = 6,725,766,690.46/68,022.53
  6. Step 6: Final answer
    x = 98,875.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.