Home / 55,086.35-76,019.18-29,935.85

Finding the Fourth Proportional to 55,086.35, 76,019.18 and 29,935.85

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Solution

The fourth proportional to 55,086.35, 76,019.18 and 29,935.85 is: 41,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086.35 : 76,019.18 = 29,935.85 : x
  2. Step 2: Convert to fraction form
    55,086.35/76,019.18 = 29,935.85/x
  3. Step 3: Cross multiply
    55,086.35x = 76,019.18 × 29,935.85
  4. Step 4: Simplify right side
    55,086.35x = 2,275,698,239.83
  5. Step 5: Solve for x
    x = 2,275,698,239.83/55,086.35
  6. Step 6: Final answer
    x = 41,311.48

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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.