Home / 55,255.30-76,232.31-36,145.96

Finding the Fourth Proportional to 55,255.30, 76,232.31 and 36,145.96

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Solution

The fourth proportional to 55,255.30, 76,232.31 and 36,145.96 is: 49,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,255.30 : 76,232.31 = 36,145.96 : x
  2. Step 2: Convert to fraction form
    55,255.30/76,232.31 = 36,145.96/x
  3. Step 3: Cross multiply
    55,255.30x = 76,232.31 × 36,145.96
  4. Step 4: Simplify right side
    55,255.30x = 2,755,490,027.97
  5. Step 5: Solve for x
    x = 2,755,490,027.97/55,255.30
  6. Step 6: Final answer
    x = 49,868.34

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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.