Home / 74,355.62-102,610.82-40,364.11

Finding the Fourth Proportional to 74,355.62, 102,610.82 and 40,364.11

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Solution

The fourth proportional to 74,355.62, 102,610.82 and 40,364.11 is: 55,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,355.62 : 102,610.82 = 40,364.11 : x
  2. Step 2: Convert to fraction form
    74,355.62/102,610.82 = 40,364.11/x
  3. Step 3: Cross multiply
    74,355.62x = 102,610.82 × 40,364.11
  4. Step 4: Simplify right side
    74,355.62x = 4,141,793,850.61
  5. Step 5: Solve for x
    x = 4,141,793,850.61/74,355.62
  6. Step 6: Final answer
    x = 55,702.50

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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.