Home / 90,814.45-125,324.56-50,529.91

Finding the Fourth Proportional to 90,814.45, 125,324.56 and 50,529.91

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Solution

The fourth proportional to 90,814.45, 125,324.56 and 50,529.91 is: 69,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,814.45 : 125,324.56 = 50,529.91 : x
  2. Step 2: Convert to fraction form
    90,814.45/125,324.56 = 50,529.91/x
  3. Step 3: Cross multiply
    90,814.45x = 125,324.56 × 50,529.91
  4. Step 4: Simplify right side
    90,814.45x = 6,332,638,110.97
  5. Step 5: Solve for x
    x = 6,332,638,110.97/90,814.45
  6. Step 6: Final answer
    x = 69,731.62

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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.