Home / 76,804.91-115,196.43-24,207.56

Finding the Fourth Proportional to 76,804.91, 115,196.43 and 24,207.56

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Solution

The fourth proportional to 76,804.91, 115,196.43 and 24,207.56 is: 36,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,804.91 : 115,196.43 = 24,207.56 : x
  2. Step 2: Convert to fraction form
    76,804.91/115,196.43 = 24,207.56/x
  3. Step 3: Cross multiply
    76,804.91x = 115,196.43 × 24,207.56
  4. Step 4: Simplify right side
    76,804.91x = 2,788,624,491.01
  5. Step 5: Solve for x
    x = 2,788,624,491.01/76,804.91
  6. Step 6: Final answer
    x = 36,307.89

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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.