Home / 103,154.11-154,755.77-36,600.05

Finding the Fourth Proportional to 103,154.11, 154,755.77 and 36,600.05

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Solution

The fourth proportional to 103,154.11, 154,755.77 and 36,600.05 is: 54,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,154.11 : 154,755.77 = 36,600.05 : x
  2. Step 2: Convert to fraction form
    103,154.11/154,755.77 = 36,600.05/x
  3. Step 3: Cross multiply
    103,154.11x = 154,755.77 × 36,600.05
  4. Step 4: Simplify right side
    103,154.11x = 5,664,069,123.68
  5. Step 5: Solve for x
    x = 5,664,069,123.68/103,154.11
  6. Step 6: Final answer
    x = 54,908.81

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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.