Home / 111,858.45-154,364.38-60,871.17

Finding the Fourth Proportional to 111,858.45, 154,364.38 and 60,871.17

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Solution

The fourth proportional to 111,858.45, 154,364.38 and 60,871.17 is: 84,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,858.45 : 154,364.38 = 60,871.17 : x
  2. Step 2: Convert to fraction form
    111,858.45/154,364.38 = 60,871.17/x
  3. Step 3: Cross multiply
    111,858.45x = 154,364.38 × 60,871.17
  4. Step 4: Simplify right side
    111,858.45x = 9,396,340,416.92
  5. Step 5: Solve for x
    x = 9,396,340,416.92/111,858.45
  6. Step 6: Final answer
    x = 84,002.06

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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.