Home / 68,477.06-102,574.10-40,310.33

Finding the Fourth Proportional to 68,477.06, 102,574.10 and 40,310.33

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Solution

The fourth proportional to 68,477.06, 102,574.10 and 40,310.33 is: 60,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,477.06 : 102,574.10 = 40,310.33 : x
  2. Step 2: Convert to fraction form
    68,477.06/102,574.10 = 40,310.33/x
  3. Step 3: Cross multiply
    68,477.06x = 102,574.10 × 40,310.33
  4. Step 4: Simplify right side
    68,477.06x = 4,134,795,106.03
  5. Step 5: Solve for x
    x = 4,134,795,106.03/68,477.06
  6. Step 6: Final answer
    x = 60,382.20

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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.