Home / 90,305.57-124,625.16-50,018.48

Finding the Fourth Proportional to 90,305.57, 124,625.16 and 50,018.48

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Solution

The fourth proportional to 90,305.57, 124,625.16 and 50,018.48 is: 69,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,305.57 : 124,625.16 = 50,018.48 : x
  2. Step 2: Convert to fraction form
    90,305.57/124,625.16 = 50,018.48/x
  3. Step 3: Cross multiply
    90,305.57x = 124,625.16 × 50,018.48
  4. Step 4: Simplify right side
    90,305.57x = 6,233,561,072.96
  5. Step 5: Solve for x
    x = 6,233,561,072.96/90,305.57
  6. Step 6: Final answer
    x = 69,027.43

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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.