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Finding the Fourth Proportional to 79,846.80, 110,195.16 and 44,040.21

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Solution

The fourth proportional to 79,846.80, 110,195.16 and 44,040.21 is: 60,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,846.80 : 110,195.16 = 44,040.21 : x
  2. Step 2: Convert to fraction form
    79,846.80/110,195.16 = 44,040.21/x
  3. Step 3: Cross multiply
    79,846.80x = 110,195.16 × 44,040.21
  4. Step 4: Simplify right side
    79,846.80x = 4,853,017,987.38
  5. Step 5: Solve for x
    x = 4,853,017,987.38/79,846.80
  6. Step 6: Final answer
    x = 60,779.12

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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.