Home / 85,252.19-117,645.32-47,013.35

Finding the Fourth Proportional to 85,252.19, 117,645.32 and 47,013.35

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Solution

The fourth proportional to 85,252.19, 117,645.32 and 47,013.35 is: 64,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.19 : 117,645.32 = 47,013.35 : x
  2. Step 2: Convert to fraction form
    85,252.19/117,645.32 = 47,013.35/x
  3. Step 3: Cross multiply
    85,252.19x = 117,645.32 × 47,013.35
  4. Step 4: Simplify right side
    85,252.19x = 5,530,900,016.80
  5. Step 5: Solve for x
    x = 5,530,900,016.80/85,252.19
  6. Step 6: Final answer
    x = 64,876.93

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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.