Home / 62,795.20-94,134.24-21,213.12

Finding the Fourth Proportional to 62,795.20, 94,134.24 and 21,213.12

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Solution

The fourth proportional to 62,795.20, 94,134.24 and 21,213.12 is: 31,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,795.20 : 94,134.24 = 21,213.12 : x
  2. Step 2: Convert to fraction form
    62,795.20/94,134.24 = 21,213.12/x
  3. Step 3: Cross multiply
    62,795.20x = 94,134.24 × 21,213.12
  4. Step 4: Simplify right side
    62,795.20x = 1,996,880,929.23
  5. Step 5: Solve for x
    x = 1,996,880,929.23/62,795.20
  6. Step 6: Final answer
    x = 31,799.90

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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.