Home / 103,170.03-154,704-36,600.18

Finding the Fourth Proportional to 103,170.03, 154,704 and 36,600.18

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Solution

The fourth proportional to 103,170.03, 154,704 and 36,600.18 is: 54,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,170.03 : 154,704 = 36,600.18 : x
  2. Step 2: Convert to fraction form
    103,170.03/154,704 = 36,600.18/x
  3. Step 3: Cross multiply
    103,170.03x = 154,704 × 36,600.18
  4. Step 4: Simplify right side
    103,170.03x = 5,662,194,246.72
  5. Step 5: Solve for x
    x = 5,662,194,246.72/103,170.03
  6. Step 6: Final answer
    x = 54,882.16

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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.