Home / 69,836.40-96,376.24-38,007.36

Finding the Fourth Proportional to 69,836.40, 96,376.24 and 38,007.36

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Solution

The fourth proportional to 69,836.40, 96,376.24 and 38,007.36 is: 52,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,836.40 : 96,376.24 = 38,007.36 : x
  2. Step 2: Convert to fraction form
    69,836.40/96,376.24 = 38,007.36/x
  3. Step 3: Cross multiply
    69,836.40x = 96,376.24 × 38,007.36
  4. Step 4: Simplify right side
    69,836.40x = 3,663,006,449.13
  5. Step 5: Solve for x
    x = 3,663,006,449.13/69,836.40
  6. Step 6: Final answer
    x = 52,451.25

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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.