Home / 112,408.79-168,696.34-53,244.60

Finding the Fourth Proportional to 112,408.79, 168,696.34 and 53,244.60

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Solution

The fourth proportional to 112,408.79, 168,696.34 and 53,244.60 is: 79,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,408.79 : 168,696.34 = 53,244.60 : x
  2. Step 2: Convert to fraction form
    112,408.79/168,696.34 = 53,244.60/x
  3. Step 3: Cross multiply
    112,408.79x = 168,696.34 × 53,244.60
  4. Step 4: Simplify right side
    112,408.79x = 8,982,168,301.28
  5. Step 5: Solve for x
    x = 8,982,168,301.28/112,408.79
  6. Step 6: Final answer
    x = 79,906.28

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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.