Home / 104,171.14-143,731.29-61,722.34

Finding the Fourth Proportional to 104,171.14, 143,731.29 and 61,722.34

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Solution

The fourth proportional to 104,171.14, 143,731.29 and 61,722.34 is: 85,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,171.14 : 143,731.29 = 61,722.34 : x
  2. Step 2: Convert to fraction form
    104,171.14/143,731.29 = 61,722.34/x
  3. Step 3: Cross multiply
    104,171.14x = 143,731.29 × 61,722.34
  4. Step 4: Simplify right side
    104,171.14x = 8,871,431,550.02
  5. Step 5: Solve for x
    x = 8,871,431,550.02/104,171.14
  6. Step 6: Final answer
    x = 85,162.09

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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.