Home / 53,356.82-80,010.12-31,176.59

Finding the Fourth Proportional to 53,356.82, 80,010.12 and 31,176.59

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Solution

The fourth proportional to 53,356.82, 80,010.12 and 31,176.59 is: 46,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,356.82 : 80,010.12 = 31,176.59 : x
  2. Step 2: Convert to fraction form
    53,356.82/80,010.12 = 31,176.59/x
  3. Step 3: Cross multiply
    53,356.82x = 80,010.12 × 31,176.59
  4. Step 4: Simplify right side
    53,356.82x = 2,494,442,707.09
  5. Step 5: Solve for x
    x = 2,494,442,707.09/53,356.82
  6. Step 6: Final answer
    x = 46,750.21

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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.