Home / 54,131.55-74,653.14-33,990.33

Finding the Fourth Proportional to 54,131.55, 74,653.14 and 33,990.33

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Solution

The fourth proportional to 54,131.55, 74,653.14 and 33,990.33 is: 46,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.55 : 74,653.14 = 33,990.33 : x
  2. Step 2: Convert to fraction form
    54,131.55/74,653.14 = 33,990.33/x
  3. Step 3: Cross multiply
    54,131.55x = 74,653.14 × 33,990.33
  4. Step 4: Simplify right side
    54,131.55x = 2,537,484,864.14
  5. Step 5: Solve for x
    x = 2,537,484,864.14/54,131.55
  6. Step 6: Final answer
    x = 46,876.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.