Home / 109,997.12-164,911.92-60,119.84

Finding the Fourth Proportional to 109,997.12, 164,911.92 and 60,119.84

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Solution

The fourth proportional to 109,997.12, 164,911.92 and 60,119.84 is: 90,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,997.12 : 164,911.92 = 60,119.84 : x
  2. Step 2: Convert to fraction form
    109,997.12/164,911.92 = 60,119.84/x
  3. Step 3: Cross multiply
    109,997.12x = 164,911.92 × 60,119.84
  4. Step 4: Simplify right side
    109,997.12x = 9,914,478,244.49
  5. Step 5: Solve for x
    x = 9,914,478,244.49/109,997.12
  6. Step 6: Final answer
    x = 90,133.98

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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.