Home / 117,213.37-161,753.92-63,498.52

Finding the Fourth Proportional to 117,213.37, 161,753.92 and 63,498.52

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Solution

The fourth proportional to 117,213.37, 161,753.92 and 63,498.52 is: 87,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,213.37 : 161,753.92 = 63,498.52 : x
  2. Step 2: Convert to fraction form
    117,213.37/161,753.92 = 63,498.52/x
  3. Step 3: Cross multiply
    117,213.37x = 161,753.92 × 63,498.52
  4. Step 4: Simplify right side
    117,213.37x = 10,271,134,524.20
  5. Step 5: Solve for x
    x = 10,271,134,524.20/117,213.37
  6. Step 6: Final answer
    x = 87,627.67

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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.