Home / 75,115.92-103,661.52-46,439.76

Finding the Fourth Proportional to 75,115.92, 103,661.52 and 46,439.76

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Solution

The fourth proportional to 75,115.92, 103,661.52 and 46,439.76 is: 64,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,115.92 : 103,661.52 = 46,439.76 : x
  2. Step 2: Convert to fraction form
    75,115.92/103,661.52 = 46,439.76/x
  3. Step 3: Cross multiply
    75,115.92x = 103,661.52 × 46,439.76
  4. Step 4: Simplify right side
    75,115.92x = 4,814,016,110.04
  5. Step 5: Solve for x
    x = 4,814,016,110.04/75,115.92
  6. Step 6: Final answer
    x = 64,087.83

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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.