Home / 47,211.48-65,131.02-29,270.52

Finding the Fourth Proportional to 47,211.48, 65,131.02 and 29,270.52

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Solution

The fourth proportional to 47,211.48, 65,131.02 and 29,270.52 is: 40,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.48 : 65,131.02 = 29,270.52 : x
  2. Step 2: Convert to fraction form
    47,211.48/65,131.02 = 29,270.52/x
  3. Step 3: Cross multiply
    47,211.48x = 65,131.02 × 29,270.52
  4. Step 4: Simplify right side
    47,211.48x = 1,906,418,823.53
  5. Step 5: Solve for x
    x = 1,906,418,823.53/47,211.48
  6. Step 6: Final answer
    x = 40,380.41

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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.