Home / 109,069.06-150,514.39-61,322.60

Finding the Fourth Proportional to 109,069.06, 150,514.39 and 61,322.60

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Solution

The fourth proportional to 109,069.06, 150,514.39 and 61,322.60 is: 84,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,069.06 : 150,514.39 = 61,322.60 : x
  2. Step 2: Convert to fraction form
    109,069.06/150,514.39 = 61,322.60/x
  3. Step 3: Cross multiply
    109,069.06x = 150,514.39 × 61,322.60
  4. Step 4: Simplify right side
    109,069.06x = 9,229,933,732.21
  5. Step 5: Solve for x
    x = 9,229,933,732.21/109,069.06
  6. Step 6: Final answer
    x = 84,624.67

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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.