Home / 80,652.71-111,300.38-44,840.59

Finding the Fourth Proportional to 80,652.71, 111,300.38 and 44,840.59

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Solution

The fourth proportional to 80,652.71, 111,300.38 and 44,840.59 is: 61,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,652.71 : 111,300.38 = 44,840.59 : x
  2. Step 2: Convert to fraction form
    80,652.71/111,300.38 = 44,840.59/x
  3. Step 3: Cross multiply
    80,652.71x = 111,300.38 × 44,840.59
  4. Step 4: Simplify right side
    80,652.71x = 4,990,774,372.12
  5. Step 5: Solve for x
    x = 4,990,774,372.12/80,652.71
  6. Step 6: Final answer
    x = 61,879.81

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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.