Home / 90,951.68-125,505.18-50,664.58

Finding the Fourth Proportional to 90,951.68, 125,505.18 and 50,664.58

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Solution

The fourth proportional to 90,951.68, 125,505.18 and 50,664.58 is: 69,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,951.68 : 125,505.18 = 50,664.58 : x
  2. Step 2: Convert to fraction form
    90,951.68/125,505.18 = 50,664.58/x
  3. Step 3: Cross multiply
    90,951.68x = 125,505.18 × 50,664.58
  4. Step 4: Simplify right side
    90,951.68x = 6,358,667,271.74
  5. Step 5: Solve for x
    x = 6,358,667,271.74/90,951.68
  6. Step 6: Final answer
    x = 69,912.59

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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.