Home / 73,012.16-109,552.32-71,832.80

Finding the Fourth Proportional to 73,012.16, 109,552.32 and 71,832.80

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Solution

The fourth proportional to 73,012.16, 109,552.32 and 71,832.80 is: 107,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,012.16 : 109,552.32 = 71,832.80 : x
  2. Step 2: Convert to fraction form
    73,012.16/109,552.32 = 71,832.80/x
  3. Step 3: Cross multiply
    73,012.16x = 109,552.32 × 71,832.80
  4. Step 4: Simplify right side
    73,012.16x = 7,869,449,892.10
  5. Step 5: Solve for x
    x = 7,869,449,892.10/73,012.16
  6. Step 6: Final answer
    x = 107,782.73

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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.