Home / 76,833.08-115,032.29-40,727.27

Finding the Fourth Proportional to 76,833.08, 115,032.29 and 40,727.27

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Solution

The fourth proportional to 76,833.08, 115,032.29 and 40,727.27 is: 60,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,833.08 : 115,032.29 = 40,727.27 : x
  2. Step 2: Convert to fraction form
    76,833.08/115,032.29 = 40,727.27/x
  3. Step 3: Cross multiply
    76,833.08x = 115,032.29 × 40,727.27
  4. Step 4: Simplify right side
    76,833.08x = 4,684,951,133.55
  5. Step 5: Solve for x
    x = 4,684,951,133.55/76,833.08
  6. Step 6: Final answer
    x = 60,975.70

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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.