Home / 51,204.48-70,663.68-29,981.76

Finding the Fourth Proportional to 51,204.48, 70,663.68 and 29,981.76

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Solution

The fourth proportional to 51,204.48, 70,663.68 and 29,981.76 is: 41,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.48 : 70,663.68 = 29,981.76 : x
  2. Step 2: Convert to fraction form
    51,204.48/70,663.68 = 29,981.76/x
  3. Step 3: Cross multiply
    51,204.48x = 70,663.68 × 29,981.76
  4. Step 4: Simplify right side
    51,204.48x = 2,118,621,494.48
  5. Step 5: Solve for x
    x = 2,118,621,494.48/51,204.48
  6. Step 6: Final answer
    x = 41,375.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.