Home / 111,846.85-154,346.70-60,857.86

Finding the Fourth Proportional to 111,846.85, 154,346.70 and 60,857.86

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Solution

The fourth proportional to 111,846.85, 154,346.70 and 60,857.86 is: 83,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,846.85 : 154,346.70 = 60,857.86 : x
  2. Step 2: Convert to fraction form
    111,846.85/154,346.70 = 60,857.86/x
  3. Step 3: Cross multiply
    111,846.85x = 154,346.70 × 60,857.86
  4. Step 4: Simplify right side
    111,846.85x = 9,393,209,860.06
  5. Step 5: Solve for x
    x = 9,393,209,860.06/111,846.85
  6. Step 6: Final answer
    x = 83,982.78

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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.