Home / 80,572.53-111,100.46-55,083.05

Finding the Fourth Proportional to 80,572.53, 111,100.46 and 55,083.05

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Solution

The fourth proportional to 80,572.53, 111,100.46 and 55,083.05 is: 75,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,572.53 : 111,100.46 = 55,083.05 : x
  2. Step 2: Convert to fraction form
    80,572.53/111,100.46 = 55,083.05/x
  3. Step 3: Cross multiply
    80,572.53x = 111,100.46 × 55,083.05
  4. Step 4: Simplify right side
    80,572.53x = 6,119,751,362.29
  5. Step 5: Solve for x
    x = 6,119,751,362.29/80,572.53
  6. Step 6: Final answer
    x = 75,953.32

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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.