Home / 55,101.74-82,664.69-20,041.29

Finding the Fourth Proportional to 55,101.74, 82,664.69 and 20,041.29

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Solution

The fourth proportional to 55,101.74, 82,664.69 and 20,041.29 is: 30,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,101.74 : 82,664.69 = 20,041.29 : x
  2. Step 2: Convert to fraction form
    55,101.74/82,664.69 = 20,041.29/x
  3. Step 3: Cross multiply
    55,101.74x = 82,664.69 × 20,041.29
  4. Step 4: Simplify right side
    55,101.74x = 1,656,706,924.84
  5. Step 5: Solve for x
    x = 1,656,706,924.84/55,101.74
  6. Step 6: Final answer
    x = 30,066.33

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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.