Home / 87,822.20-131,733.30-56,329.40

Finding the Fourth Proportional to 87,822.20, 131,733.30 and 56,329.40

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Solution

The fourth proportional to 87,822.20, 131,733.30 and 56,329.40 is: 84,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822.20 : 131,733.30 = 56,329.40 : x
  2. Step 2: Convert to fraction form
    87,822.20/131,733.30 = 56,329.40/x
  3. Step 3: Cross multiply
    87,822.20x = 131,733.30 × 56,329.40
  4. Step 4: Simplify right side
    87,822.20x = 7,420,457,749.02
  5. Step 5: Solve for x
    x = 7,420,457,749.02/87,822.20
  6. Step 6: Final answer
    x = 84,494.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.