Home / 109,055.73-163,466.96-49,802.61

Finding the Fourth Proportional to 109,055.73, 163,466.96 and 49,802.61

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Solution

The fourth proportional to 109,055.73, 163,466.96 and 49,802.61 is: 74,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,055.73 : 163,466.96 = 49,802.61 : x
  2. Step 2: Convert to fraction form
    109,055.73/163,466.96 = 49,802.61/x
  3. Step 3: Cross multiply
    109,055.73x = 163,466.96 × 49,802.61
  4. Step 4: Simplify right side
    109,055.73x = 8,141,081,007.75
  5. Step 5: Solve for x
    x = 8,141,081,007.75/109,055.73
  6. Step 6: Final answer
    x = 74,650.65

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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.