Home / 80,429.13-111,005.49-44,630.69

Finding the Fourth Proportional to 80,429.13, 111,005.49 and 44,630.69

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Solution

The fourth proportional to 80,429.13, 111,005.49 and 44,630.69 is: 61,597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,429.13 : 111,005.49 = 44,630.69 : x
  2. Step 2: Convert to fraction form
    80,429.13/111,005.49 = 44,630.69/x
  3. Step 3: Cross multiply
    80,429.13x = 111,005.49 × 44,630.69
  4. Step 4: Simplify right side
    80,429.13x = 4,954,251,057.46
  5. Step 5: Solve for x
    x = 4,954,251,057.46/80,429.13
  6. Step 6: Final answer
    x = 61,597.72

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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.