Home / 90,549.78-124,945.38-50,263.86

Finding the Fourth Proportional to 90,549.78, 124,945.38 and 50,263.86

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Solution

The fourth proportional to 90,549.78, 124,945.38 and 50,263.86 is: 69,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,549.78 : 124,945.38 = 50,263.86 : x
  2. Step 2: Convert to fraction form
    90,549.78/124,945.38 = 50,263.86/x
  3. Step 3: Cross multiply
    90,549.78x = 124,945.38 × 50,263.86
  4. Step 4: Simplify right side
    90,549.78x = 6,280,237,087.97
  5. Step 5: Solve for x
    x = 6,280,237,087.97/90,549.78
  6. Step 6: Final answer
    x = 69,356.73

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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.