Home / 118,626.53-163,699.73-70,906.19

Finding the Fourth Proportional to 118,626.53, 163,699.73 and 70,906.19

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Solution

The fourth proportional to 118,626.53, 163,699.73 and 70,906.19 is: 97,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,626.53 : 163,699.73 = 70,906.19 : x
  2. Step 2: Convert to fraction form
    118,626.53/163,699.73 = 70,906.19/x
  3. Step 3: Cross multiply
    118,626.53x = 163,699.73 × 70,906.19
  4. Step 4: Simplify right side
    118,626.53x = 11,607,324,158.33
  5. Step 5: Solve for x
    x = 11,607,324,158.33/118,626.53
  6. Step 6: Final answer
    x = 97,847.62

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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.