Home / 47,721.10-65,862.30-34,336.66

Finding the Fourth Proportional to 47,721.10, 65,862.30 and 34,336.66

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Solution

The fourth proportional to 47,721.10, 65,862.30 and 34,336.66 is: 47,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.10 : 65,862.30 = 34,336.66 : x
  2. Step 2: Convert to fraction form
    47,721.10/65,862.30 = 34,336.66/x
  3. Step 3: Cross multiply
    47,721.10x = 65,862.30 × 34,336.66
  4. Step 4: Simplify right side
    47,721.10x = 2,261,491,401.92
  5. Step 5: Solve for x
    x = 2,261,491,401.92/47,721.10
  6. Step 6: Final answer
    x = 47,389.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.