Home / 61,731.58-85,203.56-34,889.66

Finding the Fourth Proportional to 61,731.58, 85,203.56 and 34,889.66

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Solution

The fourth proportional to 61,731.58, 85,203.56 and 34,889.66 is: 48,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,731.58 : 85,203.56 = 34,889.66 : x
  2. Step 2: Convert to fraction form
    61,731.58/85,203.56 = 34,889.66/x
  3. Step 3: Cross multiply
    61,731.58x = 85,203.56 × 34,889.66
  4. Step 4: Simplify right side
    61,731.58x = 2,972,722,662.78
  5. Step 5: Solve for x
    x = 2,972,722,662.78/61,731.58
  6. Step 6: Final answer
    x = 48,155.62

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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.