Home / 90,542.54-124,946.92-50,256.78

Finding the Fourth Proportional to 90,542.54, 124,946.92 and 50,256.78

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Solution

The fourth proportional to 90,542.54, 124,946.92 and 50,256.78 is: 69,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,542.54 : 124,946.92 = 50,256.78 : x
  2. Step 2: Convert to fraction form
    90,542.54/124,946.92 = 50,256.78/x
  3. Step 3: Cross multiply
    90,542.54x = 124,946.92 × 50,256.78
  4. Step 4: Simplify right side
    90,542.54x = 6,279,429,870.12
  5. Step 5: Solve for x
    x = 6,279,429,870.12/90,542.54
  6. Step 6: Final answer
    x = 69,353.37

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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.