Home / 53,356.32-80,009.37-31,176.09

Finding the Fourth Proportional to 53,356.32, 80,009.37 and 31,176.09

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Solution

The fourth proportional to 53,356.32, 80,009.37 and 31,176.09 is: 46,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,356.32 : 80,009.37 = 31,176.09 : x
  2. Step 2: Convert to fraction form
    53,356.32/80,009.37 = 31,176.09/x
  3. Step 3: Cross multiply
    53,356.32x = 80,009.37 × 31,176.09
  4. Step 4: Simplify right side
    53,356.32x = 2,494,379,319.96
  5. Step 5: Solve for x
    x = 2,494,379,319.96/53,356.32
  6. Step 6: Final answer
    x = 46,749.46

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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.