Home / 55,745.29-76,933.97-31,875.49

Finding the Fourth Proportional to 55,745.29, 76,933.97 and 31,875.49

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Solution

The fourth proportional to 55,745.29, 76,933.97 and 31,875.49 is: 43,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,745.29 : 76,933.97 = 31,875.49 : x
  2. Step 2: Convert to fraction form
    55,745.29/76,933.97 = 31,875.49/x
  3. Step 3: Cross multiply
    55,745.29x = 76,933.97 × 31,875.49
  4. Step 4: Simplify right side
    55,745.29x = 2,452,307,991.40
  5. Step 5: Solve for x
    x = 2,452,307,991.40/55,745.29
  6. Step 6: Final answer
    x = 43,991.30

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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.