Home / 84,764.75-116,979-47,039

Finding the Fourth Proportional to 84,764.75, 116,979 and 47,039

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Solution

The fourth proportional to 84,764.75, 116,979 and 47,039 is: 64,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,764.75 : 116,979 = 47,039 : x
  2. Step 2: Convert to fraction form
    84,764.75/116,979 = 47,039/x
  3. Step 3: Cross multiply
    84,764.75x = 116,979 × 47,039
  4. Step 4: Simplify right side
    84,764.75x = 5,502,575,181
  5. Step 5: Solve for x
    x = 5,502,575,181/84,764.75
  6. Step 6: Final answer
    x = 64,915.84

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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.