Home / 90,593.20-125,019.75-50,309.47

Finding the Fourth Proportional to 90,593.20, 125,019.75 and 50,309.47

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Solution

The fourth proportional to 90,593.20, 125,019.75 and 50,309.47 is: 69,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,593.20 : 125,019.75 = 50,309.47 : x
  2. Step 2: Convert to fraction form
    90,593.20/125,019.75 = 50,309.47/x
  3. Step 3: Cross multiply
    90,593.20x = 125,019.75 × 50,309.47
  4. Step 4: Simplify right side
    90,593.20x = 6,289,677,362.03
  5. Step 5: Solve for x
    x = 6,289,677,362.03/90,593.20
  6. Step 6: Final answer
    x = 69,427.70

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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.