Home / 68,639.03-102,929.39-23,665.31

Finding the Fourth Proportional to 68,639.03, 102,929.39 and 23,665.31

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Solution

The fourth proportional to 68,639.03, 102,929.39 and 23,665.31 is: 35,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,639.03 : 102,929.39 = 23,665.31 : x
  2. Step 2: Convert to fraction form
    68,639.03/102,929.39 = 23,665.31/x
  3. Step 3: Cross multiply
    68,639.03x = 102,929.39 × 23,665.31
  4. Step 4: Simplify right side
    68,639.03x = 2,435,855,804.13
  5. Step 5: Solve for x
    x = 2,435,855,804.13/68,639.03
  6. Step 6: Final answer
    x = 35,487.91

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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.