Home / 73,974.25-102,084.87-40,440.25

Finding the Fourth Proportional to 73,974.25, 102,084.87 and 40,440.25

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Solution

The fourth proportional to 73,974.25, 102,084.87 and 40,440.25 is: 55,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,974.25 : 102,084.87 = 40,440.25 : x
  2. Step 2: Convert to fraction form
    73,974.25/102,084.87 = 40,440.25/x
  3. Step 3: Cross multiply
    73,974.25x = 102,084.87 × 40,440.25
  4. Step 4: Simplify right side
    73,974.25x = 4,128,337,664.02
  5. Step 5: Solve for x
    x = 4,128,337,664.02/73,974.25
  6. Step 6: Final answer
    x = 55,807.77

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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.