Home / 90,701.96-125,168.58-50,419.48

Finding the Fourth Proportional to 90,701.96, 125,168.58 and 50,419.48

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Solution

The fourth proportional to 90,701.96, 125,168.58 and 50,419.48 is: 69,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,701.96 : 125,168.58 = 50,419.48 : x
  2. Step 2: Convert to fraction form
    90,701.96/125,168.58 = 50,419.48/x
  3. Step 3: Cross multiply
    90,701.96x = 125,168.58 × 50,419.48
  4. Step 4: Simplify right side
    90,701.96x = 6,310,934,715.94
  5. Step 5: Solve for x
    x = 6,310,934,715.94/90,701.96
  6. Step 6: Final answer
    x = 69,578.81

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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.