Home / 90,825.84-125,325.90-50,540.22

Finding the Fourth Proportional to 90,825.84, 125,325.90 and 50,540.22

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Solution

The fourth proportional to 90,825.84, 125,325.90 and 50,540.22 is: 69,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,825.84 : 125,325.90 = 50,540.22 : x
  2. Step 2: Convert to fraction form
    90,825.84/125,325.90 = 50,540.22/x
  3. Step 3: Cross multiply
    90,825.84x = 125,325.90 × 50,540.22
  4. Step 4: Simplify right side
    90,825.84x = 6,333,998,557.70
  5. Step 5: Solve for x
    x = 6,333,998,557.70/90,825.84
  6. Step 6: Final answer
    x = 69,737.85

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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.