Home / 90,797.34-125,286.80-50,511.58

Finding the Fourth Proportional to 90,797.34, 125,286.80 and 50,511.58

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Solution

The fourth proportional to 90,797.34, 125,286.80 and 50,511.58 is: 69,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,797.34 : 125,286.80 = 50,511.58 : x
  2. Step 2: Convert to fraction form
    90,797.34/125,286.80 = 50,511.58/x
  3. Step 3: Cross multiply
    90,797.34x = 125,286.80 × 50,511.58
  4. Step 4: Simplify right side
    90,797.34x = 6,328,434,221.14
  5. Step 5: Solve for x
    x = 6,328,434,221.14/90,797.34
  6. Step 6: Final answer
    x = 69,698.45

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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.