Home / 90,713.53-125,181.62-50,426.43

Finding the Fourth Proportional to 90,713.53, 125,181.62 and 50,426.43

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Solution

The fourth proportional to 90,713.53, 125,181.62 and 50,426.43 is: 69,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,713.53 : 125,181.62 = 50,426.43 : x
  2. Step 2: Convert to fraction form
    90,713.53/125,181.62 = 50,426.43/x
  3. Step 3: Cross multiply
    90,713.53x = 125,181.62 × 50,426.43
  4. Step 4: Simplify right side
    90,713.53x = 6,312,462,212.21
  5. Step 5: Solve for x
    x = 6,312,462,212.21/90,713.53
  6. Step 6: Final answer
    x = 69,586.78

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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.