Home / 66,811.37-100,257.75-34,793.69

Finding the Fourth Proportional to 66,811.37, 100,257.75 and 34,793.69

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Solution

The fourth proportional to 66,811.37, 100,257.75 and 34,793.69 is: 52,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,811.37 : 100,257.75 = 34,793.69 : x
  2. Step 2: Convert to fraction form
    66,811.37/100,257.75 = 34,793.69/x
  3. Step 3: Cross multiply
    66,811.37x = 100,257.75 × 34,793.69
  4. Step 4: Simplify right side
    66,811.37x = 3,488,336,572.31
  5. Step 5: Solve for x
    x = 3,488,336,572.31/66,811.37
  6. Step 6: Final answer
    x = 52,211.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.