Home / 54,928.35-75,787.51-31,054.51

Finding the Fourth Proportional to 54,928.35, 75,787.51 and 31,054.51

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Solution

The fourth proportional to 54,928.35, 75,787.51 and 31,054.51 is: 42,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,928.35 : 75,787.51 = 31,054.51 : x
  2. Step 2: Convert to fraction form
    54,928.35/75,787.51 = 31,054.51/x
  3. Step 3: Cross multiply
    54,928.35x = 75,787.51 × 31,054.51
  4. Step 4: Simplify right side
    54,928.35x = 2,353,543,987.17
  5. Step 5: Solve for x
    x = 2,353,543,987.17/54,928.35
  6. Step 6: Final answer
    x = 42,847.53

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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.