Home / 105,804.22-158,730.49-45,842.65

Finding the Fourth Proportional to 105,804.22, 158,730.49 and 45,842.65

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Solution

The fourth proportional to 105,804.22, 158,730.49 and 45,842.65 is: 68,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,804.22 : 158,730.49 = 45,842.65 : x
  2. Step 2: Convert to fraction form
    105,804.22/158,730.49 = 45,842.65/x
  3. Step 3: Cross multiply
    105,804.22x = 158,730.49 × 45,842.65
  4. Step 4: Simplify right side
    105,804.22x = 7,276,626,297.40
  5. Step 5: Solve for x
    x = 7,276,626,297.40/105,804.22
  6. Step 6: Final answer
    x = 68,774.44

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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.