Home / 90,573.21-124,994.93-50,286.97

Finding the Fourth Proportional to 90,573.21, 124,994.93 and 50,286.97

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Solution

The fourth proportional to 90,573.21, 124,994.93 and 50,286.97 is: 69,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,573.21 : 124,994.93 = 50,286.97 : x
  2. Step 2: Convert to fraction form
    90,573.21/124,994.93 = 50,286.97/x
  3. Step 3: Cross multiply
    90,573.21x = 124,994.93 × 50,286.97
  4. Step 4: Simplify right side
    90,573.21x = 6,285,616,295.06
  5. Step 5: Solve for x
    x = 6,285,616,295.06/90,573.21
  6. Step 6: Final answer
    x = 69,398.19

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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.