Home / 61,917.52-85,415.88-36,749.20

Finding the Fourth Proportional to 61,917.52, 85,415.88 and 36,749.20

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Solution

The fourth proportional to 61,917.52, 85,415.88 and 36,749.20 is: 50,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,917.52 : 85,415.88 = 36,749.20 : x
  2. Step 2: Convert to fraction form
    61,917.52/85,415.88 = 36,749.20/x
  3. Step 3: Cross multiply
    61,917.52x = 85,415.88 × 36,749.20
  4. Step 4: Simplify right side
    61,917.52x = 3,138,965,257.30
  5. Step 5: Solve for x
    x = 3,138,965,257.30/61,917.52
  6. Step 6: Final answer
    x = 50,695.91

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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.