Home / 117,892.22-162,643.19-72,556.52

Finding the Fourth Proportional to 117,892.22, 162,643.19 and 72,556.52

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Solution

The fourth proportional to 117,892.22, 162,643.19 and 72,556.52 is: 100,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892.22 : 162,643.19 = 72,556.52 : x
  2. Step 2: Convert to fraction form
    117,892.22/162,643.19 = 72,556.52/x
  3. Step 3: Cross multiply
    117,892.22x = 162,643.19 × 72,556.52
  4. Step 4: Simplify right side
    117,892.22x = 11,800,822,692.10
  5. Step 5: Solve for x
    x = 11,800,822,692.10/117,892.22
  6. Step 6: Final answer
    x = 100,098.41

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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.