Home / 85,177.08-117,546.71-47,451.33

Finding the Fourth Proportional to 85,177.08, 117,546.71 and 47,451.33

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Solution

The fourth proportional to 85,177.08, 117,546.71 and 47,451.33 is: 65,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177.08 : 117,546.71 = 47,451.33 : x
  2. Step 2: Convert to fraction form
    85,177.08/117,546.71 = 47,451.33/x
  3. Step 3: Cross multiply
    85,177.08x = 117,546.71 × 47,451.33
  4. Step 4: Simplify right side
    85,177.08x = 5,577,747,489.37
  5. Step 5: Solve for x
    x = 5,577,747,489.37/85,177.08
  6. Step 6: Final answer
    x = 65,484.14

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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.