Home / 61,828.20-92,748.78-20,265.48

Finding the Fourth Proportional to 61,828.20, 92,748.78 and 20,265.48

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Solution

The fourth proportional to 61,828.20, 92,748.78 and 20,265.48 is: 30,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,828.20 : 92,748.78 = 20,265.48 : x
  2. Step 2: Convert to fraction form
    61,828.20/92,748.78 = 20,265.48/x
  3. Step 3: Cross multiply
    61,828.20x = 92,748.78 × 20,265.48
  4. Step 4: Simplify right side
    61,828.20x = 1,879,598,546.11
  5. Step 5: Solve for x
    x = 1,879,598,546.11/61,828.20
  6. Step 6: Final answer
    x = 30,400.34

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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.