Home / 54,936.96-75,809.52-31,064.64

Finding the Fourth Proportional to 54,936.96, 75,809.52 and 31,064.64

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Solution

The fourth proportional to 54,936.96, 75,809.52 and 31,064.64 is: 42,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,936.96 : 75,809.52 = 31,064.64 : x
  2. Step 2: Convert to fraction form
    54,936.96/75,809.52 = 31,064.64/x
  3. Step 3: Cross multiply
    54,936.96x = 75,809.52 × 31,064.64
  4. Step 4: Simplify right side
    54,936.96x = 2,354,995,447.37
  5. Step 5: Solve for x
    x = 2,354,995,447.37/54,936.96
  6. Step 6: Final answer
    x = 42,867.23

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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.