Home / 80,176.26-110,693.43-51,507.48

Finding the Fourth Proportional to 80,176.26, 110,693.43 and 51,507.48

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Solution

The fourth proportional to 80,176.26, 110,693.43 and 51,507.48 is: 71,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,176.26 : 110,693.43 = 51,507.48 : x
  2. Step 2: Convert to fraction form
    80,176.26/110,693.43 = 51,507.48/x
  3. Step 3: Cross multiply
    80,176.26x = 110,693.43 × 51,507.48
  4. Step 4: Simplify right side
    80,176.26x = 5,701,539,631.86
  5. Step 5: Solve for x
    x = 5,701,539,631.86/80,176.26
  6. Step 6: Final answer
    x = 71,112.57

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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.