Home / 80,680.60-111,330.69-44,864.83

Finding the Fourth Proportional to 80,680.60, 111,330.69 and 44,864.83

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Solution

The fourth proportional to 80,680.60, 111,330.69 and 44,864.83 is: 61,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,680.60 : 111,330.69 = 44,864.83 : x
  2. Step 2: Convert to fraction form
    80,680.60/111,330.69 = 44,864.83/x
  3. Step 3: Cross multiply
    80,680.60x = 111,330.69 × 44,864.83
  4. Step 4: Simplify right side
    80,680.60x = 4,994,832,480.63
  5. Step 5: Solve for x
    x = 4,994,832,480.63/80,680.60
  6. Step 6: Final answer
    x = 61,908.72

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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.