Home / 82,704.96-114,096-55,839.36

Finding the Fourth Proportional to 82,704.96, 114,096 and 55,839.36

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Solution

The fourth proportional to 82,704.96, 114,096 and 55,839.36 is: 77,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,704.96 : 114,096 = 55,839.36 : x
  2. Step 2: Convert to fraction form
    82,704.96/114,096 = 55,839.36/x
  3. Step 3: Cross multiply
    82,704.96x = 114,096 × 55,839.36
  4. Step 4: Simplify right side
    82,704.96x = 6,371,047,618.56
  5. Step 5: Solve for x
    x = 6,371,047,618.56/82,704.96
  6. Step 6: Final answer
    x = 77,033.44

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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.