Home / 90,629.50-125,072.22-50,346.32

Finding the Fourth Proportional to 90,629.50, 125,072.22 and 50,346.32

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Solution

The fourth proportional to 90,629.50, 125,072.22 and 50,346.32 is: 69,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,629.50 : 125,072.22 = 50,346.32 : x
  2. Step 2: Convert to fraction form
    90,629.50/125,072.22 = 50,346.32/x
  3. Step 3: Cross multiply
    90,629.50x = 125,072.22 × 50,346.32
  4. Step 4: Simplify right side
    90,629.50x = 6,296,926,011.23
  5. Step 5: Solve for x
    x = 6,296,926,011.23/90,629.50
  6. Step 6: Final answer
    x = 69,479.87

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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.