Home / 90,842.24-125,359.03-50,557.70

Finding the Fourth Proportional to 90,842.24, 125,359.03 and 50,557.70

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Solution

The fourth proportional to 90,842.24, 125,359.03 and 50,557.70 is: 69,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,842.24 : 125,359.03 = 50,557.70 : x
  2. Step 2: Convert to fraction form
    90,842.24/125,359.03 = 50,557.70/x
  3. Step 3: Cross multiply
    90,842.24x = 125,359.03 × 50,557.70
  4. Step 4: Simplify right side
    90,842.24x = 6,337,864,231.03
  5. Step 5: Solve for x
    x = 6,337,864,231.03/90,842.24
  6. Step 6: Final answer
    x = 69,767.81

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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.