Home / 117,911.24-162,699.20-67,600.52

Finding the Fourth Proportional to 117,911.24, 162,699.20 and 67,600.52

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Solution

The fourth proportional to 117,911.24, 162,699.20 and 67,600.52 is: 93,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,911.24 : 162,699.20 = 67,600.52 : x
  2. Step 2: Convert to fraction form
    117,911.24/162,699.20 = 67,600.52/x
  3. Step 3: Cross multiply
    117,911.24x = 162,699.20 × 67,600.52
  4. Step 4: Simplify right side
    117,911.24x = 10,998,550,523.58
  5. Step 5: Solve for x
    x = 10,998,550,523.58/117,911.24
  6. Step 6: Final answer
    x = 93,278.22

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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.