Home / 113,608.44-156,806.34-70,620.36

Finding the Fourth Proportional to 113,608.44, 156,806.34 and 70,620.36

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Solution

The fourth proportional to 113,608.44, 156,806.34 and 70,620.36 is: 97,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,608.44 : 156,806.34 = 70,620.36 : x
  2. Step 2: Convert to fraction form
    113,608.44/156,806.34 = 70,620.36/x
  3. Step 3: Cross multiply
    113,608.44x = 156,806.34 × 70,620.36
  4. Step 4: Simplify right side
    113,608.44x = 11,073,720,181.08
  5. Step 5: Solve for x
    x = 11,073,720,181.08/113,608.44
  6. Step 6: Final answer
    x = 97,472.69

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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.