Home / 109,422.36-164,134.88-39,301.64

Finding the Fourth Proportional to 109,422.36, 164,134.88 and 39,301.64

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Solution

The fourth proportional to 109,422.36, 164,134.88 and 39,301.64 is: 58,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,422.36 : 164,134.88 = 39,301.64 : x
  2. Step 2: Convert to fraction form
    109,422.36/164,134.88 = 39,301.64/x
  3. Step 3: Cross multiply
    109,422.36x = 164,134.88 × 39,301.64
  4. Step 4: Simplify right side
    109,422.36x = 6,450,769,965.20
  5. Step 5: Solve for x
    x = 6,450,769,965.20/109,422.36
  6. Step 6: Final answer
    x = 58,952.94

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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.