Home / 119,640.05-165,095.83-65,922.06

Finding the Fourth Proportional to 119,640.05, 165,095.83 and 65,922.06

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Solution

The fourth proportional to 119,640.05, 165,095.83 and 65,922.06 is: 90,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,640.05 : 165,095.83 = 65,922.06 : x
  2. Step 2: Convert to fraction form
    119,640.05/165,095.83 = 65,922.06/x
  3. Step 3: Cross multiply
    119,640.05x = 165,095.83 × 65,922.06
  4. Step 4: Simplify right side
    119,640.05x = 10,883,457,211.01
  5. Step 5: Solve for x
    x = 10,883,457,211.01/119,640.05
  6. Step 6: Final answer
    x = 90,968.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.