Home / 80,787.71-121,186.06-24,629.67

Finding the Fourth Proportional to 80,787.71, 121,186.06 and 24,629.67

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Solution

The fourth proportional to 80,787.71, 121,186.06 and 24,629.67 is: 36,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,787.71 : 121,186.06 = 24,629.67 : x
  2. Step 2: Convert to fraction form
    80,787.71/121,186.06 = 24,629.67/x
  3. Step 3: Cross multiply
    80,787.71x = 121,186.06 × 24,629.67
  4. Step 4: Simplify right side
    80,787.71x = 2,984,772,604.83
  5. Step 5: Solve for x
    x = 2,984,772,604.83/80,787.71
  6. Step 6: Final answer
    x = 36,945.87

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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.