Home / 79,820.15-110,151.40-43,523.55

Finding the Fourth Proportional to 79,820.15, 110,151.40 and 43,523.55

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Solution

The fourth proportional to 79,820.15, 110,151.40 and 43,523.55 is: 60,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,820.15 : 110,151.40 = 43,523.55 : x
  2. Step 2: Convert to fraction form
    79,820.15/110,151.40 = 43,523.55/x
  3. Step 3: Cross multiply
    79,820.15x = 110,151.40 × 43,523.55
  4. Step 4: Simplify right side
    79,820.15x = 4,794,179,197.10
  5. Step 5: Solve for x
    x = 4,794,179,197.10/79,820.15
  6. Step 6: Final answer
    x = 60,062.27

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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.