Home / 91,116.46-125,736.69-67,234.42

Finding the Fourth Proportional to 91,116.46, 125,736.69 and 67,234.42

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Solution

The fourth proportional to 91,116.46, 125,736.69 and 67,234.42 is: 92,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,116.46 : 125,736.69 = 67,234.42 : x
  2. Step 2: Convert to fraction form
    91,116.46/125,736.69 = 67,234.42/x
  3. Step 3: Cross multiply
    91,116.46x = 125,736.69 × 67,234.42
  4. Step 4: Simplify right side
    91,116.46x = 8,453,833,424.87
  5. Step 5: Solve for x
    x = 8,453,833,424.87/91,116.46
  6. Step 6: Final answer
    x = 92,780.53

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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.