Home / 61,829.20-92,750.28-20,266.48

Finding the Fourth Proportional to 61,829.20, 92,750.28 and 20,266.48

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Solution

The fourth proportional to 61,829.20, 92,750.28 and 20,266.48 is: 30,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,829.20 : 92,750.28 = 20,266.48 : x
  2. Step 2: Convert to fraction form
    61,829.20/92,750.28 = 20,266.48/x
  3. Step 3: Cross multiply
    61,829.20x = 92,750.28 × 20,266.48
  4. Step 4: Simplify right side
    61,829.20x = 1,879,721,694.61
  5. Step 5: Solve for x
    x = 1,879,721,694.61/61,829.20
  6. Step 6: Final answer
    x = 30,401.84

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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.