Home / 80,434.29-111,012.60-44,635.84

Finding the Fourth Proportional to 80,434.29, 111,012.60 and 44,635.84

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Solution

The fourth proportional to 80,434.29, 111,012.60 and 44,635.84 is: 61,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,434.29 : 111,012.60 = 44,635.84 : x
  2. Step 2: Convert to fraction form
    80,434.29/111,012.60 = 44,635.84/x
  3. Step 3: Cross multiply
    80,434.29x = 111,012.60 × 44,635.84
  4. Step 4: Simplify right side
    80,434.29x = 4,955,140,374.05
  5. Step 5: Solve for x
    x = 4,955,140,374.05/80,434.29
  6. Step 6: Final answer
    x = 61,604.83

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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.