Home / 68,207.56-94,185.98-42,757.78

Finding the Fourth Proportional to 68,207.56, 94,185.98 and 42,757.78

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Solution

The fourth proportional to 68,207.56, 94,185.98 and 42,757.78 is: 59,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,207.56 : 94,185.98 = 42,757.78 : x
  2. Step 2: Convert to fraction form
    68,207.56/94,185.98 = 42,757.78/x
  3. Step 3: Cross multiply
    68,207.56x = 94,185.98 × 42,757.78
  4. Step 4: Simplify right side
    68,207.56x = 4,027,183,411.92
  5. Step 5: Solve for x
    x = 4,027,183,411.92/68,207.56
  6. Step 6: Final answer
    x = 59,043.07

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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.