Home / 51,108.61-76,657.51-13,672.46

Finding the Fourth Proportional to 51,108.61, 76,657.51 and 13,672.46

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Solution

The fourth proportional to 51,108.61, 76,657.51 and 13,672.46 is: 20,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,108.61 : 76,657.51 = 13,672.46 : x
  2. Step 2: Convert to fraction form
    51,108.61/76,657.51 = 13,672.46/x
  3. Step 3: Cross multiply
    51,108.61x = 76,657.51 × 13,672.46
  4. Step 4: Simplify right side
    51,108.61x = 1,048,096,321.71
  5. Step 5: Solve for x
    x = 1,048,096,321.71/51,108.61
  6. Step 6: Final answer
    x = 20,507.24

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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.