Home / 75,964.57-104,825.72-41,972.69

Finding the Fourth Proportional to 75,964.57, 104,825.72 and 41,972.69

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Solution

The fourth proportional to 75,964.57, 104,825.72 and 41,972.69 is: 57,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,964.57 : 104,825.72 = 41,972.69 : x
  2. Step 2: Convert to fraction form
    75,964.57/104,825.72 = 41,972.69/x
  3. Step 3: Cross multiply
    75,964.57x = 104,825.72 × 41,972.69
  4. Step 4: Simplify right side
    75,964.57x = 4,399,817,449.59
  5. Step 5: Solve for x
    x = 4,399,817,449.59/75,964.57
  6. Step 6: Final answer
    x = 57,919.34

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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.