Home / 47,310.98-65,221.30-37,221.90

Finding the Fourth Proportional to 47,310.98, 65,221.30 and 37,221.90

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Solution

The fourth proportional to 47,310.98, 65,221.30 and 37,221.90 is: 51,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.98 : 65,221.30 = 37,221.90 : x
  2. Step 2: Convert to fraction form
    47,310.98/65,221.30 = 37,221.90/x
  3. Step 3: Cross multiply
    47,310.98x = 65,221.30 × 37,221.90
  4. Step 4: Simplify right side
    47,310.98x = 2,427,660,706.47
  5. Step 5: Solve for x
    x = 2,427,660,706.47/47,310.98
  6. Step 6: Final answer
    x = 51,312.84

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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.