Home / 91,449.47-126,195.12-50,611.37

Finding the Fourth Proportional to 91,449.47, 126,195.12 and 50,611.37

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Solution

The fourth proportional to 91,449.47, 126,195.12 and 50,611.37 is: 69,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449.47 : 126,195.12 = 50,611.37 : x
  2. Step 2: Convert to fraction form
    91,449.47/126,195.12 = 50,611.37/x
  3. Step 3: Cross multiply
    91,449.47x = 126,195.12 × 50,611.37
  4. Step 4: Simplify right side
    91,449.47x = 6,386,907,279.54
  5. Step 5: Solve for x
    x = 6,386,907,279.54/91,449.47
  6. Step 6: Final answer
    x = 69,840.83

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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.