Home / 54,365.11-75,008.43-31,705.09

Finding the Fourth Proportional to 54,365.11, 75,008.43 and 31,705.09

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Solution

The fourth proportional to 54,365.11, 75,008.43 and 31,705.09 is: 43,744.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,365.11 : 75,008.43 = 31,705.09 : x
  2. Step 2: Convert to fraction form
    54,365.11/75,008.43 = 31,705.09/x
  3. Step 3: Cross multiply
    54,365.11x = 75,008.43 × 31,705.09
  4. Step 4: Simplify right side
    54,365.11x = 2,378,148,836.39
  5. Step 5: Solve for x
    x = 2,378,148,836.39/54,365.11
  6. Step 6: Final answer
    x = 43,744.03

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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.