Home / 82,015.28-113,199.48-53,704.52

Finding the Fourth Proportional to 82,015.28, 113,199.48 and 53,704.52

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Solution

The fourth proportional to 82,015.28, 113,199.48 and 53,704.52 is: 74,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,015.28 : 113,199.48 = 53,704.52 : x
  2. Step 2: Convert to fraction form
    82,015.28/113,199.48 = 53,704.52/x
  3. Step 3: Cross multiply
    82,015.28x = 113,199.48 × 53,704.52
  4. Step 4: Simplify right side
    82,015.28x = 6,079,323,737.65
  5. Step 5: Solve for x
    x = 6,079,323,737.65/82,015.28
  6. Step 6: Final answer
    x = 74,124.28

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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.