Home / 55,082.20-76,027.26-31,223.11

Finding the Fourth Proportional to 55,082.20, 76,027.26 and 31,223.11

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Solution

The fourth proportional to 55,082.20, 76,027.26 and 31,223.11 is: 43,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,082.20 : 76,027.26 = 31,223.11 : x
  2. Step 2: Convert to fraction form
    55,082.20/76,027.26 = 31,223.11/x
  3. Step 3: Cross multiply
    55,082.20x = 76,027.26 × 31,223.11
  4. Step 4: Simplify right side
    55,082.20x = 2,373,807,501.98
  5. Step 5: Solve for x
    x = 2,373,807,501.98/55,082.20
  6. Step 6: Final answer
    x = 43,095.73

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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.