Home / 112,932.25-155,874.83-76,695.01

Finding the Fourth Proportional to 112,932.25, 155,874.83 and 76,695.01

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Solution

The fourth proportional to 112,932.25, 155,874.83 and 76,695.01 is: 105,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,932.25 : 155,874.83 = 76,695.01 : x
  2. Step 2: Convert to fraction form
    112,932.25/155,874.83 = 76,695.01/x
  3. Step 3: Cross multiply
    112,932.25x = 155,874.83 × 76,695.01
  4. Step 4: Simplify right side
    112,932.25x = 11,954,820,872.44
  5. Step 5: Solve for x
    x = 11,954,820,872.44/112,932.25
  6. Step 6: Final answer
    x = 105,858.35

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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.