Home / 55,055.25-75,983.58-31,181.94

Finding the Fourth Proportional to 55,055.25, 75,983.58 and 31,181.94

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Solution

The fourth proportional to 55,055.25, 75,983.58 and 31,181.94 is: 43,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.25 : 75,983.58 = 31,181.94 : x
  2. Step 2: Convert to fraction form
    55,055.25/75,983.58 = 31,181.94/x
  3. Step 3: Cross multiply
    55,055.25x = 75,983.58 × 31,181.94
  4. Step 4: Simplify right side
    55,055.25x = 2,369,315,432.55
  5. Step 5: Solve for x
    x = 2,369,315,432.55/55,055.25
  6. Step 6: Final answer
    x = 43,035.23

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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.