Home / 90,619.82-125,051.87-50,336.15

Finding the Fourth Proportional to 90,619.82, 125,051.87 and 50,336.15

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Solution

The fourth proportional to 90,619.82, 125,051.87 and 50,336.15 is: 69,461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,619.82 : 125,051.87 = 50,336.15 : x
  2. Step 2: Convert to fraction form
    90,619.82/125,051.87 = 50,336.15/x
  3. Step 3: Cross multiply
    90,619.82x = 125,051.87 × 50,336.15
  4. Step 4: Simplify right side
    90,619.82x = 6,294,628,809.16
  5. Step 5: Solve for x
    x = 6,294,628,809.16/90,619.82
  6. Step 6: Final answer
    x = 69,461.95

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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.