Home / 54,111.51-74,645.55-33,930.36

Finding the Fourth Proportional to 54,111.51, 74,645.55 and 33,930.36

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Solution

The fourth proportional to 54,111.51, 74,645.55 and 33,930.36 is: 46,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,111.51 : 74,645.55 = 33,930.36 : x
  2. Step 2: Convert to fraction form
    54,111.51/74,645.55 = 33,930.36/x
  3. Step 3: Cross multiply
    54,111.51x = 74,645.55 × 33,930.36
  4. Step 4: Simplify right side
    54,111.51x = 2,532,750,383.90
  5. Step 5: Solve for x
    x = 2,532,750,383.90/54,111.51
  6. Step 6: Final answer
    x = 46,806.13

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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.