Home / 90,725.38-125,190.08-50,433.98

Finding the Fourth Proportional to 90,725.38, 125,190.08 and 50,433.98

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Solution

The fourth proportional to 90,725.38, 125,190.08 and 50,433.98 is: 69,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,725.38 : 125,190.08 = 50,433.98 : x
  2. Step 2: Convert to fraction form
    90,725.38/125,190.08 = 50,433.98/x
  3. Step 3: Cross multiply
    90,725.38x = 125,190.08 × 50,433.98
  4. Step 4: Simplify right side
    90,725.38x = 6,313,833,990.92
  5. Step 5: Solve for x
    x = 6,313,833,990.92/90,725.38
  6. Step 6: Final answer
    x = 69,592.81

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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.