Home / 112,268.88-154,927.20-66,923.50

Finding the Fourth Proportional to 112,268.88, 154,927.20 and 66,923.50

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Solution

The fourth proportional to 112,268.88, 154,927.20 and 66,923.50 is: 92,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268.88 : 154,927.20 = 66,923.50 : x
  2. Step 2: Convert to fraction form
    112,268.88/154,927.20 = 66,923.50/x
  3. Step 3: Cross multiply
    112,268.88x = 154,927.20 × 66,923.50
  4. Step 4: Simplify right side
    112,268.88x = 10,368,270,469.20
  5. Step 5: Solve for x
    x = 10,368,270,469.20/112,268.88
  6. Step 6: Final answer
    x = 92,352.13

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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.