Home / 57,990.33-80,025.29-34,118.54

Finding the Fourth Proportional to 57,990.33, 80,025.29 and 34,118.54

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Solution

The fourth proportional to 57,990.33, 80,025.29 and 34,118.54 is: 47,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.33 : 80,025.29 = 34,118.54 : x
  2. Step 2: Convert to fraction form
    57,990.33/80,025.29 = 34,118.54/x
  3. Step 3: Cross multiply
    57,990.33x = 80,025.29 × 34,118.54
  4. Step 4: Simplify right side
    57,990.33x = 2,730,345,487.16
  5. Step 5: Solve for x
    x = 2,730,345,487.16/57,990.33
  6. Step 6: Final answer
    x = 47,082.77

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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.