Home / 55,991.32-84,017.85-31,028.06

Finding the Fourth Proportional to 55,991.32, 84,017.85 and 31,028.06

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Solution

The fourth proportional to 55,991.32, 84,017.85 and 31,028.06 is: 46,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,991.32 : 84,017.85 = 31,028.06 : x
  2. Step 2: Convert to fraction form
    55,991.32/84,017.85 = 31,028.06/x
  3. Step 3: Cross multiply
    55,991.32x = 84,017.85 × 31,028.06
  4. Step 4: Simplify right side
    55,991.32x = 2,606,910,890.87
  5. Step 5: Solve for x
    x = 2,606,910,890.87/55,991.32
  6. Step 6: Final answer
    x = 46,559.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.