Home / 69,497.03-103,635.46-68,865.77

Finding the Fourth Proportional to 69,497.03, 103,635.46 and 68,865.77

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Solution

The fourth proportional to 69,497.03, 103,635.46 and 68,865.77 is: 102,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,497.03 : 103,635.46 = 68,865.77 : x
  2. Step 2: Convert to fraction form
    69,497.03/103,635.46 = 68,865.77/x
  3. Step 3: Cross multiply
    69,497.03x = 103,635.46 × 68,865.77
  4. Step 4: Simplify right side
    69,497.03x = 7,136,935,752.20
  5. Step 5: Solve for x
    x = 7,136,935,752.20/69,497.03
  6. Step 6: Final answer
    x = 102,694.11

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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.