Home / 113,559.11-170,209.49-69,087.83

Finding the Fourth Proportional to 113,559.11, 170,209.49 and 69,087.83

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Solution

The fourth proportional to 113,559.11, 170,209.49 and 69,087.83 is: 103,553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,559.11 : 170,209.49 = 69,087.83 : x
  2. Step 2: Convert to fraction form
    113,559.11/170,209.49 = 69,087.83/x
  3. Step 3: Cross multiply
    113,559.11x = 170,209.49 × 69,087.83
  4. Step 4: Simplify right side
    113,559.11x = 11,759,404,309.51
  5. Step 5: Solve for x
    x = 11,759,404,309.51/113,559.11
  6. Step 6: Final answer
    x = 103,553.16

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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.