Home / 90,620.37-125,044.16-50,328.54

Finding the Fourth Proportional to 90,620.37, 125,044.16 and 50,328.54

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Solution

The fourth proportional to 90,620.37, 125,044.16 and 50,328.54 is: 69,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,620.37 : 125,044.16 = 50,328.54 : x
  2. Step 2: Convert to fraction form
    90,620.37/125,044.16 = 50,328.54/x
  3. Step 3: Cross multiply
    90,620.37x = 125,044.16 × 50,328.54
  4. Step 4: Simplify right side
    90,620.37x = 6,293,289,756.68
  5. Step 5: Solve for x
    x = 6,293,289,756.68/90,620.37
  6. Step 6: Final answer
    x = 69,446.75

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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.