Home / 51,159.95-76,734.58-13,724.03

Finding the Fourth Proportional to 51,159.95, 76,734.58 and 13,724.03

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Solution

The fourth proportional to 51,159.95, 76,734.58 and 13,724.03 is: 20,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,159.95 : 76,734.58 = 13,724.03 : x
  2. Step 2: Convert to fraction form
    51,159.95/76,734.58 = 13,724.03/x
  3. Step 3: Cross multiply
    51,159.95x = 76,734.58 × 13,724.03
  4. Step 4: Simplify right side
    51,159.95x = 1,053,107,677.96
  5. Step 5: Solve for x
    x = 1,053,107,677.96/51,159.95
  6. Step 6: Final answer
    x = 20,584.61

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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.