Home / 47,575.50-65,654.19-28,712.63

Finding the Fourth Proportional to 47,575.50, 65,654.19 and 28,712.63

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Solution

The fourth proportional to 47,575.50, 65,654.19 and 28,712.63 is: 39,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,575.50 : 65,654.19 = 28,712.63 : x
  2. Step 2: Convert to fraction form
    47,575.50/65,654.19 = 28,712.63/x
  3. Step 3: Cross multiply
    47,575.50x = 65,654.19 × 28,712.63
  4. Step 4: Simplify right side
    47,575.50x = 1,885,104,137.15
  5. Step 5: Solve for x
    x = 1,885,104,137.15/47,575.50
  6. Step 6: Final answer
    x = 39,623.42

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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.