Home / 78,324.16-117,492.42-22,163.38

Finding the Fourth Proportional to 78,324.16, 117,492.42 and 22,163.38

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Solution

The fourth proportional to 78,324.16, 117,492.42 and 22,163.38 is: 33,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,324.16 : 117,492.42 = 22,163.38 : x
  2. Step 2: Convert to fraction form
    78,324.16/117,492.42 = 22,163.38/x
  3. Step 3: Cross multiply
    78,324.16x = 117,492.42 × 22,163.38
  4. Step 4: Simplify right side
    78,324.16x = 2,604,029,151.58
  5. Step 5: Solve for x
    x = 2,604,029,151.58/78,324.16
  6. Step 6: Final answer
    x = 33,246.82

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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.