Home / 80,912.17-121,317.54-24,733.60

Finding the Fourth Proportional to 80,912.17, 121,317.54 and 24,733.60

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Solution

The fourth proportional to 80,912.17, 121,317.54 and 24,733.60 is: 37,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,912.17 : 121,317.54 = 24,733.60 : x
  2. Step 2: Convert to fraction form
    80,912.17/121,317.54 = 24,733.60/x
  3. Step 3: Cross multiply
    80,912.17x = 121,317.54 × 24,733.60
  4. Step 4: Simplify right side
    80,912.17x = 3,000,619,507.34
  5. Step 5: Solve for x
    x = 3,000,619,507.34/80,912.17
  6. Step 6: Final answer
    x = 37,084.90

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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.