Home / 74,787.77-112,181.46-27,406.42

Finding the Fourth Proportional to 74,787.77, 112,181.46 and 27,406.42

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Solution

The fourth proportional to 74,787.77, 112,181.46 and 27,406.42 is: 41,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,787.77 : 112,181.46 = 27,406.42 : x
  2. Step 2: Convert to fraction form
    74,787.77/112,181.46 = 27,406.42/x
  3. Step 3: Cross multiply
    74,787.77x = 112,181.46 × 27,406.42
  4. Step 4: Simplify right side
    74,787.77x = 3,074,491,825.75
  5. Step 5: Solve for x
    x = 3,074,491,825.75/74,787.77
  6. Step 6: Final answer
    x = 41,109.55

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1.5x scale

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.