Home / 87,262.36-120,387.42-50,461.77

Finding the Fourth Proportional to 87,262.36, 120,387.42 and 50,461.77

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Solution

The fourth proportional to 87,262.36, 120,387.42 and 50,461.77 is: 69,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.36 : 120,387.42 = 50,461.77 : x
  2. Step 2: Convert to fraction form
    87,262.36/120,387.42 = 50,461.77/x
  3. Step 3: Cross multiply
    87,262.36x = 120,387.42 × 50,461.77
  4. Step 4: Simplify right side
    87,262.36x = 6,074,962,298.93
  5. Step 5: Solve for x
    x = 6,074,962,298.93/87,262.36
  6. Step 6: Final answer
    x = 69,617.22

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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.