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Finding the Fourth Proportional to 79,801.56, 110,126.12 and 43,503.08

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Solution

The fourth proportional to 79,801.56, 110,126.12 and 43,503.08 is: 60,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,801.56 : 110,126.12 = 43,503.08 : x
  2. Step 2: Convert to fraction form
    79,801.56/110,126.12 = 43,503.08/x
  3. Step 3: Cross multiply
    79,801.56x = 110,126.12 × 43,503.08
  4. Step 4: Simplify right side
    79,801.56x = 4,790,825,408.45
  5. Step 5: Solve for x
    x = 4,790,825,408.45/79,801.56
  6. Step 6: Final answer
    x = 60,034.23

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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.