Home / 80,643.66-111,288.15-44,832.54

Finding the Fourth Proportional to 80,643.66, 111,288.15 and 44,832.54

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Solution

The fourth proportional to 80,643.66, 111,288.15 and 44,832.54 is: 61,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,643.66 : 111,288.15 = 44,832.54 : x
  2. Step 2: Convert to fraction form
    80,643.66/111,288.15 = 44,832.54/x
  3. Step 3: Cross multiply
    80,643.66x = 111,288.15 × 44,832.54
  4. Step 4: Simplify right side
    80,643.66x = 4,989,330,436.40
  5. Step 5: Solve for x
    x = 4,989,330,436.40/80,643.66
  6. Step 6: Final answer
    x = 61,868.85

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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.