Home / 80,742.44-111,423.77-44,931.84

Finding the Fourth Proportional to 80,742.44, 111,423.77 and 44,931.84

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Solution

The fourth proportional to 80,742.44, 111,423.77 and 44,931.84 is: 62,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,742.44 : 111,423.77 = 44,931.84 : x
  2. Step 2: Convert to fraction form
    80,742.44/111,423.77 = 44,931.84/x
  3. Step 3: Cross multiply
    80,742.44x = 111,423.77 × 44,931.84
  4. Step 4: Simplify right side
    80,742.44x = 5,006,474,781.18
  5. Step 5: Solve for x
    x = 5,006,474,781.18/80,742.44
  6. Step 6: Final answer
    x = 62,005.49

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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.