Home / 54,630.06-81,945.09-31,240.14

Finding the Fourth Proportional to 54,630.06, 81,945.09 and 31,240.14

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Solution

The fourth proportional to 54,630.06, 81,945.09 and 31,240.14 is: 46,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,630.06 : 81,945.09 = 31,240.14 : x
  2. Step 2: Convert to fraction form
    54,630.06/81,945.09 = 31,240.14/x
  3. Step 3: Cross multiply
    54,630.06x = 81,945.09 × 31,240.14
  4. Step 4: Simplify right side
    54,630.06x = 2,559,976,083.91
  5. Step 5: Solve for x
    x = 2,559,976,083.91/54,630.06
  6. Step 6: Final answer
    x = 46,860.21

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Similar ratio
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1.5x scale

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.