Home / 92,034.20-138,051.30-47,674.55

Finding the Fourth Proportional to 92,034.20, 138,051.30 and 47,674.55

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Solution

The fourth proportional to 92,034.20, 138,051.30 and 47,674.55 is: 71,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,034.20 : 138,051.30 = 47,674.55 : x
  2. Step 2: Convert to fraction form
    92,034.20/138,051.30 = 47,674.55/x
  3. Step 3: Cross multiply
    92,034.20x = 138,051.30 × 47,674.55
  4. Step 4: Simplify right side
    92,034.20x = 6,581,533,604.42
  5. Step 5: Solve for x
    x = 6,581,533,604.42/92,034.20
  6. Step 6: Final answer
    x = 71,511.83

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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.