Home / 113,409.75-170,139.21-34,521.92

Finding the Fourth Proportional to 113,409.75, 170,139.21 and 34,521.92

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Solution

The fourth proportional to 113,409.75, 170,139.21 and 34,521.92 is: 51,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,409.75 : 170,139.21 = 34,521.92 : x
  2. Step 2: Convert to fraction form
    113,409.75/170,139.21 = 34,521.92/x
  3. Step 3: Cross multiply
    113,409.75x = 170,139.21 × 34,521.92
  4. Step 4: Simplify right side
    113,409.75x = 5,873,531,345.79
  5. Step 5: Solve for x
    x = 5,873,531,345.79/113,409.75
  6. Step 6: Final answer
    x = 51,790.36

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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.