Home / 90,541.83-124,945.86-50,253.21

Finding the Fourth Proportional to 90,541.83, 124,945.86 and 50,253.21

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Solution

The fourth proportional to 90,541.83, 124,945.86 and 50,253.21 is: 69,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541.83 : 124,945.86 = 50,253.21 : x
  2. Step 2: Convert to fraction form
    90,541.83/124,945.86 = 50,253.21/x
  3. Step 3: Cross multiply
    90,541.83x = 124,945.86 × 50,253.21
  4. Step 4: Simplify right side
    90,541.83x = 6,278,930,541.21
  5. Step 5: Solve for x
    x = 6,278,930,541.21/90,541.83
  6. Step 6: Final answer
    x = 69,348.39

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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.