Home / 111,917.57-167,920.05-41,802.35

Finding the Fourth Proportional to 111,917.57, 167,920.05 and 41,802.35

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Solution

The fourth proportional to 111,917.57, 167,920.05 and 41,802.35 is: 62,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,917.57 : 167,920.05 = 41,802.35 : x
  2. Step 2: Convert to fraction form
    111,917.57/167,920.05 = 41,802.35/x
  3. Step 3: Cross multiply
    111,917.57x = 167,920.05 × 41,802.35
  4. Step 4: Simplify right side
    111,917.57x = 7,019,452,019.28
  5. Step 5: Solve for x
    x = 7,019,452,019.28/111,917.57
  6. Step 6: Final answer
    x = 62,719.84

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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.