Home / 87,557.22-120,827.16-53,563.14

Finding the Fourth Proportional to 87,557.22, 120,827.16 and 53,563.14

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Solution

The fourth proportional to 87,557.22, 120,827.16 and 53,563.14 is: 73,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,557.22 : 120,827.16 = 53,563.14 : x
  2. Step 2: Convert to fraction form
    87,557.22/120,827.16 = 53,563.14/x
  3. Step 3: Cross multiply
    87,557.22x = 120,827.16 × 53,563.14
  4. Step 4: Simplify right side
    87,557.22x = 6,471,882,086.88
  5. Step 5: Solve for x
    x = 6,471,882,086.88/87,557.22
  6. Step 6: Final answer
    x = 73,916.03

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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.