Home / 68,718.08-102,869.76-62,147.36

Finding the Fourth Proportional to 68,718.08, 102,869.76 and 62,147.36

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Solution

The fourth proportional to 68,718.08, 102,869.76 and 62,147.36 is: 93,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,718.08 : 102,869.76 = 62,147.36 : x
  2. Step 2: Convert to fraction form
    68,718.08/102,869.76 = 62,147.36/x
  3. Step 3: Cross multiply
    68,718.08x = 102,869.76 × 62,147.36
  4. Step 4: Simplify right side
    68,718.08x = 6,393,084,007.83
  5. Step 5: Solve for x
    x = 6,393,084,007.83/68,718.08
  6. Step 6: Final answer
    x = 93,033.51

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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.