Home / 92,621.70-138,932.55-33,459.30

Finding the Fourth Proportional to 92,621.70, 138,932.55 and 33,459.30

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Solution

The fourth proportional to 92,621.70, 138,932.55 and 33,459.30 is: 50,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,621.70 : 138,932.55 = 33,459.30 : x
  2. Step 2: Convert to fraction form
    92,621.70/138,932.55 = 33,459.30/x
  3. Step 3: Cross multiply
    92,621.70x = 138,932.55 × 33,459.30
  4. Step 4: Simplify right side
    92,621.70x = 4,648,585,870.22
  5. Step 5: Solve for x
    x = 4,648,585,870.22/92,621.70
  6. Step 6: Final answer
    x = 50,188.95

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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.