Home / 82,855.72-114,344.94-47,045.08

Finding the Fourth Proportional to 82,855.72, 114,344.94 and 47,045.08

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Solution

The fourth proportional to 82,855.72, 114,344.94 and 47,045.08 is: 64,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,855.72 : 114,344.94 = 47,045.08 : x
  2. Step 2: Convert to fraction form
    82,855.72/114,344.94 = 47,045.08/x
  3. Step 3: Cross multiply
    82,855.72x = 114,344.94 × 47,045.08
  4. Step 4: Simplify right side
    82,855.72x = 5,379,366,849.90
  5. Step 5: Solve for x
    x = 5,379,366,849.90/82,855.72
  6. Step 6: Final answer
    x = 64,924.51

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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.