Home / 52,213.97-78,202.09-40,898.68

Finding the Fourth Proportional to 52,213.97, 78,202.09 and 40,898.68

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Solution

The fourth proportional to 52,213.97, 78,202.09 and 40,898.68 is: 61,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.97 : 78,202.09 = 40,898.68 : x
  2. Step 2: Convert to fraction form
    52,213.97/78,202.09 = 40,898.68/x
  3. Step 3: Cross multiply
    52,213.97x = 78,202.09 × 40,898.68
  4. Step 4: Simplify right side
    52,213.97x = 3,198,362,254.24
  5. Step 5: Solve for x
    x = 3,198,362,254.24/52,213.97
  6. Step 6: Final answer
    x = 61,254.91

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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.