Home / 69,617.48-104,426.22-66,643.16

Finding the Fourth Proportional to 69,617.48, 104,426.22 and 66,643.16

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Solution

The fourth proportional to 69,617.48, 104,426.22 and 66,643.16 is: 99,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,617.48 : 104,426.22 = 66,643.16 : x
  2. Step 2: Convert to fraction form
    69,617.48/104,426.22 = 66,643.16/x
  3. Step 3: Cross multiply
    69,617.48x = 104,426.22 × 66,643.16
  4. Step 4: Simplify right side
    69,617.48x = 6,959,293,287.66
  5. Step 5: Solve for x
    x = 6,959,293,287.66/69,617.48
  6. Step 6: Final answer
    x = 99,964.74

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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.