Home / 75,574.78-104,336.39-50,115.74

Finding the Fourth Proportional to 75,574.78, 104,336.39 and 50,115.74

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Solution

The fourth proportional to 75,574.78, 104,336.39 and 50,115.74 is: 69,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,574.78 : 104,336.39 = 50,115.74 : x
  2. Step 2: Convert to fraction form
    75,574.78/104,336.39 = 50,115.74/x
  3. Step 3: Cross multiply
    75,574.78x = 104,336.39 × 50,115.74
  4. Step 4: Simplify right side
    75,574.78x = 5,228,894,997.39
  5. Step 5: Solve for x
    x = 5,228,894,997.39/75,574.78
  6. Step 6: Final answer
    x = 69,188.36

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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.