Home / 66,121.02-91,246.70-35,906.10

Finding the Fourth Proportional to 66,121.02, 91,246.70 and 35,906.10

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Solution

The fourth proportional to 66,121.02, 91,246.70 and 35,906.10 is: 49,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,121.02 : 91,246.70 = 35,906.10 : x
  2. Step 2: Convert to fraction form
    66,121.02/91,246.70 = 35,906.10/x
  3. Step 3: Cross multiply
    66,121.02x = 91,246.70 × 35,906.10
  4. Step 4: Simplify right side
    66,121.02x = 3,276,313,134.87
  5. Step 5: Solve for x
    x = 3,276,313,134.87/66,121.02
  6. Step 6: Final answer
    x = 49,550.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.