Home / 85,252.06-117,645.15-47,013.22

Finding the Fourth Proportional to 85,252.06, 117,645.15 and 47,013.22

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Solution

The fourth proportional to 85,252.06, 117,645.15 and 47,013.22 is: 64,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.06 : 117,645.15 = 47,013.22 : x
  2. Step 2: Convert to fraction form
    85,252.06/117,645.15 = 47,013.22/x
  3. Step 3: Cross multiply
    85,252.06x = 117,645.15 × 47,013.22
  4. Step 4: Simplify right side
    85,252.06x = 5,530,877,289.64
  5. Step 5: Solve for x
    x = 5,530,877,289.64/85,252.06
  6. Step 6: Final answer
    x = 64,876.76

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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.