Home / 87,682.43-120,973.05-53,655.44

Finding the Fourth Proportional to 87,682.43, 120,973.05 and 53,655.44

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Solution

The fourth proportional to 87,682.43, 120,973.05 and 53,655.44 is: 74,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,682.43 : 120,973.05 = 53,655.44 : x
  2. Step 2: Convert to fraction form
    87,682.43/120,973.05 = 53,655.44/x
  3. Step 3: Cross multiply
    87,682.43x = 120,973.05 × 53,655.44
  4. Step 4: Simplify right side
    87,682.43x = 6,490,861,621.03
  5. Step 5: Solve for x
    x = 6,490,861,621.03/87,682.43
  6. Step 6: Final answer
    x = 74,026.93

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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.