Home / 69,857.28-104,789.71-19,933.53

Finding the Fourth Proportional to 69,857.28, 104,789.71 and 19,933.53

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Solution

The fourth proportional to 69,857.28, 104,789.71 and 19,933.53 is: 29,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857.28 : 104,789.71 = 19,933.53 : x
  2. Step 2: Convert to fraction form
    69,857.28/104,789.71 = 19,933.53/x
  3. Step 3: Cross multiply
    69,857.28x = 104,789.71 × 19,933.53
  4. Step 4: Simplify right side
    69,857.28x = 2,088,828,827.98
  5. Step 5: Solve for x
    x = 2,088,828,827.98/69,857.28
  6. Step 6: Final answer
    x = 29,901.38

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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.