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Finding the Fourth Proportional to 68,061.48, 102,033.66 and 33,025.32

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Solution

The fourth proportional to 68,061.48, 102,033.66 and 33,025.32 is: 49,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,061.48 : 102,033.66 = 33,025.32 : x
  2. Step 2: Convert to fraction form
    68,061.48/102,033.66 = 33,025.32/x
  3. Step 3: Cross multiply
    68,061.48x = 102,033.66 × 33,025.32
  4. Step 4: Simplify right side
    68,061.48x = 3,369,694,272.27
  5. Step 5: Solve for x
    x = 3,369,694,272.27/68,061.48
  6. Step 6: Final answer
    x = 49,509.57

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1.5x scale

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.