Home / 69,864.24-104,321.15-65,917.62

Finding the Fourth Proportional to 69,864.24, 104,321.15 and 65,917.62

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Solution

The fourth proportional to 69,864.24, 104,321.15 and 65,917.62 is: 98,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,864.24 : 104,321.15 = 65,917.62 : x
  2. Step 2: Convert to fraction form
    69,864.24/104,321.15 = 65,917.62/x
  3. Step 3: Cross multiply
    69,864.24x = 104,321.15 × 65,917.62
  4. Step 4: Simplify right side
    69,864.24x = 6,876,601,594.07
  5. Step 5: Solve for x
    x = 6,876,601,594.07/69,864.24
  6. Step 6: Final answer
    x = 98,428.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.