Home / 113,919.31-170,782.03-69,577.17

Finding the Fourth Proportional to 113,919.31, 170,782.03 and 69,577.17

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Solution

The fourth proportional to 113,919.31, 170,782.03 and 69,577.17 is: 104,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,919.31 : 170,782.03 = 69,577.17 : x
  2. Step 2: Convert to fraction form
    113,919.31/170,782.03 = 69,577.17/x
  3. Step 3: Cross multiply
    113,919.31x = 170,782.03 × 69,577.17
  4. Step 4: Simplify right side
    113,919.31x = 11,882,530,334.26
  5. Step 5: Solve for x
    x = 11,882,530,334.26/113,919.31
  6. Step 6: Final answer
    x = 104,306.55

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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.