Home / 55,135.35-76,086.69-32,478.94

Finding the Fourth Proportional to 55,135.35, 76,086.69 and 32,478.94

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Solution

The fourth proportional to 55,135.35, 76,086.69 and 32,478.94 is: 44,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,135.35 : 76,086.69 = 32,478.94 : x
  2. Step 2: Convert to fraction form
    55,135.35/76,086.69 = 32,478.94/x
  3. Step 3: Cross multiply
    55,135.35x = 76,086.69 × 32,478.94
  4. Step 4: Simplify right side
    55,135.35x = 2,471,215,195.31
  5. Step 5: Solve for x
    x = 2,471,215,195.31/55,135.35
  6. Step 6: Final answer
    x = 44,820.89

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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.