Home / 76,810.48-115,215.72-24,224.06

Finding the Fourth Proportional to 76,810.48, 115,215.72 and 24,224.06

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Solution

The fourth proportional to 76,810.48, 115,215.72 and 24,224.06 is: 36,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,810.48 : 115,215.72 = 24,224.06 : x
  2. Step 2: Convert to fraction form
    76,810.48/115,215.72 = 24,224.06/x
  3. Step 3: Cross multiply
    76,810.48x = 115,215.72 × 24,224.06
  4. Step 4: Simplify right side
    76,810.48x = 2,790,992,711.42
  5. Step 5: Solve for x
    x = 2,790,992,711.42/76,810.48
  6. Step 6: Final answer
    x = 36,336.09

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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.