Home / 90,843.93-125,363.38-50,557.69

Finding the Fourth Proportional to 90,843.93, 125,363.38 and 50,557.69

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Solution

The fourth proportional to 90,843.93, 125,363.38 and 50,557.69 is: 69,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,843.93 : 125,363.38 = 50,557.69 : x
  2. Step 2: Convert to fraction form
    90,843.93/125,363.38 = 50,557.69/x
  3. Step 3: Cross multiply
    90,843.93x = 125,363.38 × 50,557.69
  4. Step 4: Simplify right side
    90,843.93x = 6,338,082,903.39
  5. Step 5: Solve for x
    x = 6,338,082,903.39/90,843.93
  6. Step 6: Final answer
    x = 69,768.92

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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.