Home / 83,012.16-114,558.60-45,286.38

Finding the Fourth Proportional to 83,012.16, 114,558.60 and 45,286.38

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Solution

The fourth proportional to 83,012.16, 114,558.60 and 45,286.38 is: 62,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,012.16 : 114,558.60 = 45,286.38 : x
  2. Step 2: Convert to fraction form
    83,012.16/114,558.60 = 45,286.38/x
  3. Step 3: Cross multiply
    83,012.16x = 114,558.60 × 45,286.38
  4. Step 4: Simplify right side
    83,012.16x = 5,187,944,291.87
  5. Step 5: Solve for x
    x = 5,187,944,291.87/83,012.16
  6. Step 6: Final answer
    x = 62,496.20

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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.