Home / 53,360.64-80,016.30-31,180.82

Finding the Fourth Proportional to 53,360.64, 80,016.30 and 31,180.82

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Solution

The fourth proportional to 53,360.64, 80,016.30 and 31,180.82 is: 46,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.64 : 80,016.30 = 31,180.82 : x
  2. Step 2: Convert to fraction form
    53,360.64/80,016.30 = 31,180.82/x
  3. Step 3: Cross multiply
    53,360.64x = 80,016.30 × 31,180.82
  4. Step 4: Simplify right side
    53,360.64x = 2,494,973,447.28
  5. Step 5: Solve for x
    x = 2,494,973,447.28/53,360.64
  6. Step 6: Final answer
    x = 46,756.81

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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.