Home / 88,778.68-122,513.76-48,492.43

Finding the Fourth Proportional to 88,778.68, 122,513.76 and 48,492.43

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Solution

The fourth proportional to 88,778.68, 122,513.76 and 48,492.43 is: 66,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,778.68 : 122,513.76 = 48,492.43 : x
  2. Step 2: Convert to fraction form
    88,778.68/122,513.76 = 48,492.43/x
  3. Step 3: Cross multiply
    88,778.68x = 122,513.76 × 48,492.43
  4. Step 4: Simplify right side
    88,778.68x = 5,940,989,930.84
  5. Step 5: Solve for x
    x = 5,940,989,930.84/88,778.68
  6. Step 6: Final answer
    x = 66,919.11

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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.