Home / 76,388.91-114,586.46-36,387.33

Finding the Fourth Proportional to 76,388.91, 114,586.46 and 36,387.33

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Solution

The fourth proportional to 76,388.91, 114,586.46 and 36,387.33 is: 54,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,388.91 : 114,586.46 = 36,387.33 : x
  2. Step 2: Convert to fraction form
    76,388.91/114,586.46 = 36,387.33/x
  3. Step 3: Cross multiply
    76,388.91x = 114,586.46 × 36,387.33
  4. Step 4: Simplify right side
    76,388.91x = 4,169,495,063.05
  5. Step 5: Solve for x
    x = 4,169,495,063.05/76,388.91
  6. Step 6: Final answer
    x = 54,582.47

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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.