Home / 76,554.91-114,855.72-39,141.26

Finding the Fourth Proportional to 76,554.91, 114,855.72 and 39,141.26

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Solution

The fourth proportional to 76,554.91, 114,855.72 and 39,141.26 is: 58,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,554.91 : 114,855.72 = 39,141.26 : x
  2. Step 2: Convert to fraction form
    76,554.91/114,855.72 = 39,141.26/x
  3. Step 3: Cross multiply
    76,554.91x = 114,855.72 × 39,141.26
  4. Step 4: Simplify right side
    76,554.91x = 4,495,597,528.83
  5. Step 5: Solve for x
    x = 4,495,597,528.83/76,554.91
  6. Step 6: Final answer
    x = 58,723.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.