Home / 88,685.82-122,354.37-68,274.13

Finding the Fourth Proportional to 88,685.82, 122,354.37 and 68,274.13

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Solution

The fourth proportional to 88,685.82, 122,354.37 and 68,274.13 is: 94,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,685.82 : 122,354.37 = 68,274.13 : x
  2. Step 2: Convert to fraction form
    88,685.82/122,354.37 = 68,274.13/x
  3. Step 3: Cross multiply
    88,685.82x = 122,354.37 × 68,274.13
  4. Step 4: Simplify right side
    88,685.82x = 8,353,637,551.68
  5. Step 5: Solve for x
    x = 8,353,637,551.68/88,685.82
  6. Step 6: Final answer
    x = 94,193.61

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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.