Home / 83,843.28-115,704.51-45,603.18

Finding the Fourth Proportional to 83,843.28, 115,704.51 and 45,603.18

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Solution

The fourth proportional to 83,843.28, 115,704.51 and 45,603.18 is: 62,932.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,843.28 : 115,704.51 = 45,603.18 : x
  2. Step 2: Convert to fraction form
    83,843.28/115,704.51 = 45,603.18/x
  3. Step 3: Cross multiply
    83,843.28x = 115,704.51 × 45,603.18
  4. Step 4: Simplify right side
    83,843.28x = 5,276,493,596.34
  5. Step 5: Solve for x
    x = 5,276,493,596.34/83,843.28
  6. Step 6: Final answer
    x = 62,932.81

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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.