Home / 80,275.24-110,781.75-43,980.22

Finding the Fourth Proportional to 80,275.24, 110,781.75 and 43,980.22

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Solution

The fourth proportional to 80,275.24, 110,781.75 and 43,980.22 is: 60,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,275.24 : 110,781.75 = 43,980.22 : x
  2. Step 2: Convert to fraction form
    80,275.24/110,781.75 = 43,980.22/x
  3. Step 3: Cross multiply
    80,275.24x = 110,781.75 × 43,980.22
  4. Step 4: Simplify right side
    80,275.24x = 4,872,205,736.99
  5. Step 5: Solve for x
    x = 4,872,205,736.99/80,275.24
  6. Step 6: Final answer
    x = 60,693.75

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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.