Home / 69,816.29-104,727.89-19,903.74

Finding the Fourth Proportional to 69,816.29, 104,727.89 and 19,903.74

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Solution

The fourth proportional to 69,816.29, 104,727.89 and 19,903.74 is: 29,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,816.29 : 104,727.89 = 19,903.74 : x
  2. Step 2: Convert to fraction form
    69,816.29/104,727.89 = 19,903.74/x
  3. Step 3: Cross multiply
    69,816.29x = 104,727.89 × 19,903.74
  4. Step 4: Simplify right side
    69,816.29x = 2,084,476,119.91
  5. Step 5: Solve for x
    x = 2,084,476,119.91/69,816.29
  6. Step 6: Final answer
    x = 29,856.59

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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.