Home / 90,694.28-125,152.59-50,406.71

Finding the Fourth Proportional to 90,694.28, 125,152.59 and 50,406.71

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Solution

The fourth proportional to 90,694.28, 125,152.59 and 50,406.71 is: 69,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,694.28 : 125,152.59 = 50,406.71 : x
  2. Step 2: Convert to fraction form
    90,694.28/125,152.59 = 50,406.71/x
  3. Step 3: Cross multiply
    90,694.28x = 125,152.59 × 50,406.71
  4. Step 4: Simplify right side
    90,694.28x = 6,308,529,873.14
  5. Step 5: Solve for x
    x = 6,308,529,873.14/90,694.28
  6. Step 6: Final answer
    x = 69,558.19

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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.