Home / 66,774.25-92,152.91-38,481.76

Finding the Fourth Proportional to 66,774.25, 92,152.91 and 38,481.76

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Solution

The fourth proportional to 66,774.25, 92,152.91 and 38,481.76 is: 53,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,774.25 : 92,152.91 = 38,481.76 : x
  2. Step 2: Convert to fraction form
    66,774.25/92,152.91 = 38,481.76/x
  3. Step 3: Cross multiply
    66,774.25x = 92,152.91 × 38,481.76
  4. Step 4: Simplify right side
    66,774.25x = 3,546,205,512.75
  5. Step 5: Solve for x
    x = 3,546,205,512.75/66,774.25
  6. Step 6: Final answer
    x = 53,107.38

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1.5x scale

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.