Home / 54,928.92-75,806.16-31,058.28

Finding the Fourth Proportional to 54,928.92, 75,806.16 and 31,058.28

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Solution

The fourth proportional to 54,928.92, 75,806.16 and 31,058.28 is: 42,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,928.92 : 75,806.16 = 31,058.28 : x
  2. Step 2: Convert to fraction form
    54,928.92/75,806.16 = 31,058.28/x
  3. Step 3: Cross multiply
    54,928.92x = 75,806.16 × 31,058.28
  4. Step 4: Simplify right side
    54,928.92x = 2,354,408,943.00
  5. Step 5: Solve for x
    x = 2,354,408,943.00/54,928.92
  6. Step 6: Final answer
    x = 42,862.83

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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.