Home / 55,478.28-83,195.28-32,121.12

Finding the Fourth Proportional to 55,478.28, 83,195.28 and 32,121.12

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Solution

The fourth proportional to 55,478.28, 83,195.28 and 32,121.12 is: 48,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,478.28 : 83,195.28 = 32,121.12 : x
  2. Step 2: Convert to fraction form
    55,478.28/83,195.28 = 32,121.12/x
  3. Step 3: Cross multiply
    55,478.28x = 83,195.28 × 32,121.12
  4. Step 4: Simplify right side
    55,478.28x = 2,672,325,572.31
  5. Step 5: Solve for x
    x = 2,672,325,572.31/55,478.28
  6. Step 6: Final answer
    x = 48,168.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.