Home / 92,084.45-138,126.21-79,566.15

Finding the Fourth Proportional to 92,084.45, 138,126.21 and 79,566.15

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Solution

The fourth proportional to 92,084.45, 138,126.21 and 79,566.15 is: 119,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,084.45 : 138,126.21 = 79,566.15 : x
  2. Step 2: Convert to fraction form
    92,084.45/138,126.21 = 79,566.15/x
  3. Step 3: Cross multiply
    92,084.45x = 138,126.21 × 79,566.15
  4. Step 4: Simplify right side
    92,084.45x = 10,990,170,633.99
  5. Step 5: Solve for x
    x = 10,990,170,633.99/92,084.45
  6. Step 6: Final answer
    x = 119,348.83

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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.