Home / 53,440.16-80,222.31-31,269.42

Finding the Fourth Proportional to 53,440.16, 80,222.31 and 31,269.42

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Solution

The fourth proportional to 53,440.16, 80,222.31 and 31,269.42 is: 46,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,440.16 : 80,222.31 = 31,269.42 : x
  2. Step 2: Convert to fraction form
    53,440.16/80,222.31 = 31,269.42/x
  3. Step 3: Cross multiply
    53,440.16x = 80,222.31 × 31,269.42
  4. Step 4: Simplify right side
    53,440.16x = 2,508,505,104.76
  5. Step 5: Solve for x
    x = 2,508,505,104.76/53,440.16
  6. Step 6: Final answer
    x = 46,940.45

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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.