Home / 112,920.46-169,352.34-46,378.96

Finding the Fourth Proportional to 112,920.46, 169,352.34 and 46,378.96

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Solution

The fourth proportional to 112,920.46, 169,352.34 and 46,378.96 is: 69,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,920.46 : 169,352.34 = 46,378.96 : x
  2. Step 2: Convert to fraction form
    112,920.46/169,352.34 = 46,378.96/x
  3. Step 3: Cross multiply
    112,920.46x = 169,352.34 × 46,378.96
  4. Step 4: Simplify right side
    112,920.46x = 7,854,384,805.46
  5. Step 5: Solve for x
    x = 7,854,384,805.46/112,920.46
  6. Step 6: Final answer
    x = 69,556.79

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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.