Home / 109,372.20-164,053.44-30,484.68

Finding the Fourth Proportional to 109,372.20, 164,053.44 and 30,484.68

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Solution

The fourth proportional to 109,372.20, 164,053.44 and 30,484.68 is: 45,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,372.20 : 164,053.44 = 30,484.68 : x
  2. Step 2: Convert to fraction form
    109,372.20/164,053.44 = 30,484.68/x
  3. Step 3: Cross multiply
    109,372.20x = 164,053.44 × 30,484.68
  4. Step 4: Simplify right side
    109,372.20x = 5,001,116,621.30
  5. Step 5: Solve for x
    x = 5,001,116,621.30/109,372.20
  6. Step 6: Final answer
    x = 45,725.67

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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.