Home / 51,118.32-76,680.17-15,576.90

Finding the Fourth Proportional to 51,118.32, 76,680.17 and 15,576.90

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Solution

The fourth proportional to 51,118.32, 76,680.17 and 15,576.90 is: 23,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.32 : 76,680.17 = 15,576.90 : x
  2. Step 2: Convert to fraction form
    51,118.32/76,680.17 = 15,576.90/x
  3. Step 3: Cross multiply
    51,118.32x = 76,680.17 × 15,576.90
  4. Step 4: Simplify right side
    51,118.32x = 1,194,439,340.07
  5. Step 5: Solve for x
    x = 1,194,439,340.07/51,118.32
  6. Step 6: Final answer
    x = 23,366.17

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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.