Home / 87,570.31-120,800.33-53,595.26

Finding the Fourth Proportional to 87,570.31, 120,800.33 and 53,595.26

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Solution

The fourth proportional to 87,570.31, 120,800.33 and 53,595.26 is: 73,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,570.31 : 120,800.33 = 53,595.26 : x
  2. Step 2: Convert to fraction form
    87,570.31/120,800.33 = 53,595.26/x
  3. Step 3: Cross multiply
    87,570.31x = 120,800.33 × 53,595.26
  4. Step 4: Simplify right side
    87,570.31x = 6,474,324,826.46
  5. Step 5: Solve for x
    x = 6,474,324,826.46/87,570.31
  6. Step 6: Final answer
    x = 73,932.88

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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.