Home / 80,454.36-111,027.20-44,644.47

Finding the Fourth Proportional to 80,454.36, 111,027.20 and 44,644.47

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Solution

The fourth proportional to 80,454.36, 111,027.20 and 44,644.47 is: 61,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,454.36 : 111,027.20 = 44,644.47 : x
  2. Step 2: Convert to fraction form
    80,454.36/111,027.20 = 44,644.47/x
  3. Step 3: Cross multiply
    80,454.36x = 111,027.20 × 44,644.47
  4. Step 4: Simplify right side
    80,454.36x = 4,956,750,499.58
  5. Step 5: Solve for x
    x = 4,956,750,499.58/80,454.36
  6. Step 6: Final answer
    x = 61,609.47

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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.