Home / 108,422.85-162,564.87-52,150.89

Finding the Fourth Proportional to 108,422.85, 162,564.87 and 52,150.89

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Solution

The fourth proportional to 108,422.85, 162,564.87 and 52,150.89 is: 78,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,422.85 : 162,564.87 = 52,150.89 : x
  2. Step 2: Convert to fraction form
    108,422.85/162,564.87 = 52,150.89/x
  3. Step 3: Cross multiply
    108,422.85x = 162,564.87 × 52,150.89
  4. Step 4: Simplify right side
    108,422.85x = 8,477,902,543.99
  5. Step 5: Solve for x
    x = 8,477,902,543.99/108,422.85
  6. Step 6: Final answer
    x = 78,192.95

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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.