Home / 87,094.66-120,216.21-56,884.60

Finding the Fourth Proportional to 87,094.66, 120,216.21 and 56,884.60

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Solution

The fourth proportional to 87,094.66, 120,216.21 and 56,884.60 is: 78,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,094.66 : 120,216.21 = 56,884.60 : x
  2. Step 2: Convert to fraction form
    87,094.66/120,216.21 = 56,884.60/x
  3. Step 3: Cross multiply
    87,094.66x = 120,216.21 × 56,884.60
  4. Step 4: Simplify right side
    87,094.66x = 6,838,451,019.37
  5. Step 5: Solve for x
    x = 6,838,451,019.37/87,094.66
  6. Step 6: Final answer
    x = 78,517.45

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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.