Home / 109,837.26-164,770.65-38,743.20

Finding the Fourth Proportional to 109,837.26, 164,770.65 and 38,743.20

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Solution

The fourth proportional to 109,837.26, 164,770.65 and 38,743.20 is: 58,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,837.26 : 164,770.65 = 38,743.20 : x
  2. Step 2: Convert to fraction form
    109,837.26/164,770.65 = 38,743.20/x
  3. Step 3: Cross multiply
    109,837.26x = 164,770.65 × 38,743.20
  4. Step 4: Simplify right side
    109,837.26x = 6,383,742,247.08
  5. Step 5: Solve for x
    x = 6,383,742,247.08/109,837.26
  6. Step 6: Final answer
    x = 58,120.01

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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.