Home / 90,822.82-125,340.41-50,537.46

Finding the Fourth Proportional to 90,822.82, 125,340.41 and 50,537.46

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Solution

The fourth proportional to 90,822.82, 125,340.41 and 50,537.46 is: 69,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,822.82 : 125,340.41 = 50,537.46 : x
  2. Step 2: Convert to fraction form
    90,822.82/125,340.41 = 50,537.46/x
  3. Step 3: Cross multiply
    90,822.82x = 125,340.41 × 50,537.46
  4. Step 4: Simplify right side
    90,822.82x = 6,334,385,671.83
  5. Step 5: Solve for x
    x = 6,334,385,671.83/90,822.82
  6. Step 6: Final answer
    x = 69,744.43

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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.