Home / 90,836.25-125,355.96-50,557.20

Finding the Fourth Proportional to 90,836.25, 125,355.96 and 50,557.20

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Solution

The fourth proportional to 90,836.25, 125,355.96 and 50,557.20 is: 69,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,836.25 : 125,355.96 = 50,557.20 : x
  2. Step 2: Convert to fraction form
    90,836.25/125,355.96 = 50,557.20/x
  3. Step 3: Cross multiply
    90,836.25x = 125,355.96 × 50,557.20
  4. Step 4: Simplify right side
    90,836.25x = 6,337,646,340.91
  5. Step 5: Solve for x
    x = 6,337,646,340.91/90,836.25
  6. Step 6: Final answer
    x = 69,770.01

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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.