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Finding the Fourth Proportional to 79,901.45, 110,270.22 and 45,921.79

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Solution

The fourth proportional to 79,901.45, 110,270.22 and 45,921.79 is: 63,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,901.45 : 110,270.22 = 45,921.79 : x
  2. Step 2: Convert to fraction form
    79,901.45/110,270.22 = 45,921.79/x
  3. Step 3: Cross multiply
    79,901.45x = 110,270.22 × 45,921.79
  4. Step 4: Simplify right side
    79,901.45x = 5,063,806,196.14
  5. Step 5: Solve for x
    x = 5,063,806,196.14/79,901.45
  6. Step 6: Final answer
    x = 63,375.65

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1.5x scale

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.