Home / 87,475.01-120,725.22-49,235.72

Finding the Fourth Proportional to 87,475.01, 120,725.22 and 49,235.72

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Solution

The fourth proportional to 87,475.01, 120,725.22 and 49,235.72 is: 67,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475.01 : 120,725.22 = 49,235.72 : x
  2. Step 2: Convert to fraction form
    87,475.01/120,725.22 = 49,235.72/x
  3. Step 3: Cross multiply
    87,475.01x = 120,725.22 × 49,235.72
  4. Step 4: Simplify right side
    87,475.01x = 5,943,992,525.23
  5. Step 5: Solve for x
    x = 5,943,992,525.23/87,475.01
  6. Step 6: Final answer
    x = 67,950.75

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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.