Home / 54,180.51-74,777.27-31,206.07

Finding the Fourth Proportional to 54,180.51, 74,777.27 and 31,206.07

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Solution

The fourth proportional to 54,180.51, 74,777.27 and 31,206.07 is: 43,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.51 : 74,777.27 = 31,206.07 : x
  2. Step 2: Convert to fraction form
    54,180.51/74,777.27 = 31,206.07/x
  3. Step 3: Cross multiply
    54,180.51x = 74,777.27 × 31,206.07
  4. Step 4: Simplify right side
    54,180.51x = 2,333,504,722.03
  5. Step 5: Solve for x
    x = 2,333,504,722.03/54,180.51
  6. Step 6: Final answer
    x = 43,069.08

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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.