Home / 90,769.62-125,252.52-50,476.86

Finding the Fourth Proportional to 90,769.62, 125,252.52 and 50,476.86

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Solution

The fourth proportional to 90,769.62, 125,252.52 and 50,476.86 is: 69,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,769.62 : 125,252.52 = 50,476.86 : x
  2. Step 2: Convert to fraction form
    90,769.62/125,252.52 = 50,476.86/x
  3. Step 3: Cross multiply
    90,769.62x = 125,252.52 × 50,476.86
  4. Step 4: Simplify right side
    90,769.62x = 6,322,353,916.69
  5. Step 5: Solve for x
    x = 6,322,353,916.69/90,769.62
  6. Step 6: Final answer
    x = 69,652.75

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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.