Home / 62,949.98-94,439.64-20,828.36

Finding the Fourth Proportional to 62,949.98, 94,439.64 and 20,828.36

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Solution

The fourth proportional to 62,949.98, 94,439.64 and 20,828.36 is: 31,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,949.98 : 94,439.64 = 20,828.36 : x
  2. Step 2: Convert to fraction form
    62,949.98/94,439.64 = 20,828.36/x
  3. Step 3: Cross multiply
    62,949.98x = 94,439.64 × 20,828.36
  4. Step 4: Simplify right side
    62,949.98x = 1,967,022,820.19
  5. Step 5: Solve for x
    x = 1,967,022,820.19/62,949.98
  6. Step 6: Final answer
    x = 31,247.39

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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.