Home / 76,009.86-114,039.38-36,561.82

Finding the Fourth Proportional to 76,009.86, 114,039.38 and 36,561.82

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Solution

The fourth proportional to 76,009.86, 114,039.38 and 36,561.82 is: 54,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,009.86 : 114,039.38 = 36,561.82 : x
  2. Step 2: Convert to fraction form
    76,009.86/114,039.38 = 36,561.82/x
  3. Step 3: Cross multiply
    76,009.86x = 114,039.38 × 36,561.82
  4. Step 4: Simplify right side
    76,009.86x = 4,169,487,284.47
  5. Step 5: Solve for x
    x = 4,169,487,284.47/76,009.86
  6. Step 6: Final answer
    x = 54,854.56

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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.