Home / 105,582.89-158,394.99-46,418.37

Finding the Fourth Proportional to 105,582.89, 158,394.99 and 46,418.37

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Solution

The fourth proportional to 105,582.89, 158,394.99 and 46,418.37 is: 69,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,582.89 : 158,394.99 = 46,418.37 : x
  2. Step 2: Convert to fraction form
    105,582.89/158,394.99 = 46,418.37/x
  3. Step 3: Cross multiply
    105,582.89x = 158,394.99 × 46,418.37
  4. Step 4: Simplify right side
    105,582.89x = 7,352,436,832.05
  5. Step 5: Solve for x
    x = 7,352,436,832.05/105,582.89
  6. Step 6: Final answer
    x = 69,636.63

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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.