Home / 74,162.85-111,244.27-43,019.97

Finding the Fourth Proportional to 74,162.85, 111,244.27 and 43,019.97

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Solution

The fourth proportional to 74,162.85, 111,244.27 and 43,019.97 is: 64,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,162.85 : 111,244.27 = 43,019.97 : x
  2. Step 2: Convert to fraction form
    74,162.85/111,244.27 = 43,019.97/x
  3. Step 3: Cross multiply
    74,162.85x = 111,244.27 × 43,019.97
  4. Step 4: Simplify right side
    74,162.85x = 4,785,725,158.07
  5. Step 5: Solve for x
    x = 4,785,725,158.07/74,162.85
  6. Step 6: Final answer
    x = 64,529.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.