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Finding the Fourth Proportional to 79,805.46, 110,176.48 and 52,984.60

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Solution

The fourth proportional to 79,805.46, 110,176.48 and 52,984.60 is: 73,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,805.46 : 110,176.48 = 52,984.60 : x
  2. Step 2: Convert to fraction form
    79,805.46/110,176.48 = 52,984.60/x
  3. Step 3: Cross multiply
    79,805.46x = 110,176.48 × 52,984.60
  4. Step 4: Simplify right side
    79,805.46x = 5,837,656,722.21
  5. Step 5: Solve for x
    x = 5,837,656,722.21/79,805.46
  6. Step 6: Final answer
    x = 73,148.59

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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.