Home / 75,532.38-104,067.63-55,366.62

Finding the Fourth Proportional to 75,532.38, 104,067.63 and 55,366.62

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Solution

The fourth proportional to 75,532.38, 104,067.63 and 55,366.62 is: 76,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,532.38 : 104,067.63 = 55,366.62 : x
  2. Step 2: Convert to fraction form
    75,532.38/104,067.63 = 55,366.62/x
  3. Step 3: Cross multiply
    75,532.38x = 104,067.63 × 55,366.62
  4. Step 4: Simplify right side
    75,532.38x = 5,761,872,924.51
  5. Step 5: Solve for x
    x = 5,761,872,924.51/75,532.38
  6. Step 6: Final answer
    x = 76,283.48

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1.5x scale

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.