Home / 74,105.04-102,263.94-40,571.04

Finding the Fourth Proportional to 74,105.04, 102,263.94 and 40,571.04

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Solution

The fourth proportional to 74,105.04, 102,263.94 and 40,571.04 is: 55,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,105.04 : 102,263.94 = 40,571.04 : x
  2. Step 2: Convert to fraction form
    74,105.04/102,263.94 = 40,571.04/x
  3. Step 3: Cross multiply
    74,105.04x = 102,263.94 × 40,571.04
  4. Step 4: Simplify right side
    74,105.04x = 4,148,954,400.30
  5. Step 5: Solve for x
    x = 4,148,954,400.30/74,105.04
  6. Step 6: Final answer
    x = 55,987.48

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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.