Home / 47,761.78-65,909.91-26,540.50

Finding the Fourth Proportional to 47,761.78, 65,909.91 and 26,540.50

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Solution

The fourth proportional to 47,761.78, 65,909.91 and 26,540.50 is: 36,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,761.78 : 65,909.91 = 26,540.50 : x
  2. Step 2: Convert to fraction form
    47,761.78/65,909.91 = 26,540.50/x
  3. Step 3: Cross multiply
    47,761.78x = 65,909.91 × 26,540.50
  4. Step 4: Simplify right side
    47,761.78x = 1,749,281,966.36
  5. Step 5: Solve for x
    x = 1,749,281,966.36/47,761.78
  6. Step 6: Final answer
    x = 36,625.14

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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.