Home / 68,560.66-102,853.84-31,123.35

Finding the Fourth Proportional to 68,560.66, 102,853.84 and 31,123.35

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Solution

The fourth proportional to 68,560.66, 102,853.84 and 31,123.35 is: 46,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,560.66 : 102,853.84 = 31,123.35 : x
  2. Step 2: Convert to fraction form
    68,560.66/102,853.84 = 31,123.35/x
  3. Step 3: Cross multiply
    68,560.66x = 102,853.84 × 31,123.35
  4. Step 4: Simplify right side
    68,560.66x = 3,201,155,546.89
  5. Step 5: Solve for x
    x = 3,201,155,546.89/68,560.66
  6. Step 6: Final answer
    x = 46,690.85

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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.