Home / 80,832.69-121,273.04-41,417.49

Finding the Fourth Proportional to 80,832.69, 121,273.04 and 41,417.49

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Solution

The fourth proportional to 80,832.69, 121,273.04 and 41,417.49 is: 62,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,832.69 : 121,273.04 = 41,417.49 : x
  2. Step 2: Convert to fraction form
    80,832.69/121,273.04 = 41,417.49/x
  3. Step 3: Cross multiply
    80,832.69x = 121,273.04 × 41,417.49
  4. Step 4: Simplify right side
    80,832.69x = 5,022,824,714.38
  5. Step 5: Solve for x
    x = 5,022,824,714.38/80,832.69
  6. Step 6: Final answer
    x = 62,138.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.