Home / 87,953.54-121,397.01-50,249.66

Finding the Fourth Proportional to 87,953.54, 121,397.01 and 50,249.66

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Solution

The fourth proportional to 87,953.54, 121,397.01 and 50,249.66 is: 69,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,953.54 : 121,397.01 = 50,249.66 : x
  2. Step 2: Convert to fraction form
    87,953.54/121,397.01 = 50,249.66/x
  3. Step 3: Cross multiply
    87,953.54x = 121,397.01 × 50,249.66
  4. Step 4: Simplify right side
    87,953.54x = 6,100,158,477.52
  5. Step 5: Solve for x
    x = 6,100,158,477.52/87,953.54
  6. Step 6: Final answer
    x = 69,356.60

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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.