Home / 55,082.57-76,012.46-31,216.92

Finding the Fourth Proportional to 55,082.57, 76,012.46 and 31,216.92

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Solution

The fourth proportional to 55,082.57, 76,012.46 and 31,216.92 is: 43,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,082.57 : 76,012.46 = 31,216.92 : x
  2. Step 2: Convert to fraction form
    55,082.57/76,012.46 = 31,216.92/x
  3. Step 3: Cross multiply
    55,082.57x = 76,012.46 × 31,216.92
  4. Step 4: Simplify right side
    55,082.57x = 2,372,874,726.74
  5. Step 5: Solve for x
    x = 2,372,874,726.74/55,082.57
  6. Step 6: Final answer
    x = 43,078.51

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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.