Home / 76,823.96-115,253.01-23,523.39

Finding the Fourth Proportional to 76,823.96, 115,253.01 and 23,523.39

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Solution

The fourth proportional to 76,823.96, 115,253.01 and 23,523.39 is: 35,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,823.96 : 115,253.01 = 23,523.39 : x
  2. Step 2: Convert to fraction form
    76,823.96/115,253.01 = 23,523.39/x
  3. Step 3: Cross multiply
    76,823.96x = 115,253.01 × 23,523.39
  4. Step 4: Simplify right side
    76,823.96x = 2,711,141,502.90
  5. Step 5: Solve for x
    x = 2,711,141,502.90/76,823.96
  6. Step 6: Final answer
    x = 35,290.31

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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.