Home / 51,112.60-76,663.52-13,676.44

Finding the Fourth Proportional to 51,112.60, 76,663.52 and 13,676.44

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Solution

The fourth proportional to 51,112.60, 76,663.52 and 13,676.44 is: 20,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.60 : 76,663.52 = 13,676.44 : x
  2. Step 2: Convert to fraction form
    51,112.60/76,663.52 = 13,676.44/x
  3. Step 3: Cross multiply
    51,112.60x = 76,663.52 × 13,676.44
  4. Step 4: Simplify right side
    51,112.60x = 1,048,484,031.47
  5. Step 5: Solve for x
    x = 1,048,484,031.47/51,112.60
  6. Step 6: Final answer
    x = 20,513.22

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1.5x scale

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.