Home / 87,132.70-120,224.76-56,962.44

Finding the Fourth Proportional to 87,132.70, 120,224.76 and 56,962.44

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Solution

The fourth proportional to 87,132.70, 120,224.76 and 56,962.44 is: 78,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,132.70 : 120,224.76 = 56,962.44 : x
  2. Step 2: Convert to fraction form
    87,132.70/120,224.76 = 56,962.44/x
  3. Step 3: Cross multiply
    87,132.70x = 120,224.76 × 56,962.44
  4. Step 4: Simplify right side
    87,132.70x = 6,848,295,678.01
  5. Step 5: Solve for x
    x = 6,848,295,678.01/87,132.70
  6. Step 6: Final answer
    x = 78,596.16

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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.