Home / 55,341.78-76,380.21-32,683.22

Finding the Fourth Proportional to 55,341.78, 76,380.21 and 32,683.22

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Solution

The fourth proportional to 55,341.78, 76,380.21 and 32,683.22 is: 45,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.78 : 76,380.21 = 32,683.22 : x
  2. Step 2: Convert to fraction form
    55,341.78/76,380.21 = 32,683.22/x
  3. Step 3: Cross multiply
    55,341.78x = 76,380.21 × 32,683.22
  4. Step 4: Simplify right side
    55,341.78x = 2,496,351,207.08
  5. Step 5: Solve for x
    x = 2,496,351,207.08/55,341.78
  6. Step 6: Final answer
    x = 45,107.90

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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.