Home / 87,590.94-120,871.02-49,352.75

Finding the Fourth Proportional to 87,590.94, 120,871.02 and 49,352.75

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Solution

The fourth proportional to 87,590.94, 120,871.02 and 49,352.75 is: 68,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,590.94 : 120,871.02 = 49,352.75 : x
  2. Step 2: Convert to fraction form
    87,590.94/120,871.02 = 49,352.75/x
  3. Step 3: Cross multiply
    87,590.94x = 120,871.02 × 49,352.75
  4. Step 4: Simplify right side
    87,590.94x = 5,965,316,813.02
  5. Step 5: Solve for x
    x = 5,965,316,813.02/87,590.94
  6. Step 6: Final answer
    x = 68,104.27

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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.