Home / 62,755.36-94,147.04-21,201.28

Finding the Fourth Proportional to 62,755.36, 94,147.04 and 21,201.28

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Solution

The fourth proportional to 62,755.36, 94,147.04 and 21,201.28 is: 31,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,755.36 : 94,147.04 = 21,201.28 : x
  2. Step 2: Convert to fraction form
    62,755.36/94,147.04 = 21,201.28/x
  3. Step 3: Cross multiply
    62,755.36x = 94,147.04 × 21,201.28
  4. Step 4: Simplify right side
    62,755.36x = 1,996,037,756.21
  5. Step 5: Solve for x
    x = 1,996,037,756.21/62,755.36
  6. Step 6: Final answer
    x = 31,806.65

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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.