Home / 90,541.86-124,945.38-50,255.52

Finding the Fourth Proportional to 90,541.86, 124,945.38 and 50,255.52

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Solution

The fourth proportional to 90,541.86, 124,945.38 and 50,255.52 is: 69,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541.86 : 124,945.38 = 50,255.52 : x
  2. Step 2: Convert to fraction form
    90,541.86/124,945.38 = 50,255.52/x
  3. Step 3: Cross multiply
    90,541.86x = 124,945.38 × 50,255.52
  4. Step 4: Simplify right side
    90,541.86x = 6,279,195,043.50
  5. Step 5: Solve for x
    x = 6,279,195,043.50/90,541.86
  6. Step 6: Final answer
    x = 69,351.29

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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.