Home / 54,121.40-74,719.82-33,995.51

Finding the Fourth Proportional to 54,121.40, 74,719.82 and 33,995.51

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Solution

The fourth proportional to 54,121.40, 74,719.82 and 33,995.51 is: 46,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.40 : 74,719.82 = 33,995.51 : x
  2. Step 2: Convert to fraction form
    54,121.40/74,719.82 = 33,995.51/x
  3. Step 3: Cross multiply
    54,121.40x = 74,719.82 × 33,995.51
  4. Step 4: Simplify right side
    54,121.40x = 2,540,138,099.40
  5. Step 5: Solve for x
    x = 2,540,138,099.40/54,121.40
  6. Step 6: Final answer
    x = 46,934.08

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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.