Home / 51,097.48-76,650.05-13,656.70

Finding the Fourth Proportional to 51,097.48, 76,650.05 and 13,656.70

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Solution

The fourth proportional to 51,097.48, 76,650.05 and 13,656.70 is: 20,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,097.48 : 76,650.05 = 13,656.70 : x
  2. Step 2: Convert to fraction form
    51,097.48/76,650.05 = 13,656.70/x
  3. Step 3: Cross multiply
    51,097.48x = 76,650.05 × 13,656.70
  4. Step 4: Simplify right side
    51,097.48x = 1,046,786,790.97
  5. Step 5: Solve for x
    x = 1,046,786,790.97/51,097.48
  6. Step 6: Final answer
    x = 20,486.07

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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.