Home / 74,822.89-103,257.78-40,833.57

Finding the Fourth Proportional to 74,822.89, 103,257.78 and 40,833.57

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Solution

The fourth proportional to 74,822.89, 103,257.78 and 40,833.57 is: 56,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,822.89 : 103,257.78 = 40,833.57 : x
  2. Step 2: Convert to fraction form
    74,822.89/103,257.78 = 40,833.57/x
  3. Step 3: Cross multiply
    74,822.89x = 103,257.78 × 40,833.57
  4. Step 4: Simplify right side
    74,822.89x = 4,216,383,787.67
  5. Step 5: Solve for x
    x = 4,216,383,787.67/74,822.89
  6. Step 6: Final answer
    x = 56,351.52

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1.5x scale

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.