Home / 87,261.86-120,386.73-50,461.27

Finding the Fourth Proportional to 87,261.86, 120,386.73 and 50,461.27

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Solution

The fourth proportional to 87,261.86, 120,386.73 and 50,461.27 is: 69,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,261.86 : 120,386.73 = 50,461.27 : x
  2. Step 2: Convert to fraction form
    87,261.86/120,386.73 = 50,461.27/x
  3. Step 3: Cross multiply
    87,261.86x = 120,386.73 × 50,461.27
  4. Step 4: Simplify right side
    87,261.86x = 6,074,867,286.95
  5. Step 5: Solve for x
    x = 6,074,867,286.95/87,261.86
  6. Step 6: Final answer
    x = 69,616.53

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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.