Home / 109,921.91-164,770.77-43,325.06

Finding the Fourth Proportional to 109,921.91, 164,770.77 and 43,325.06

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Solution

The fourth proportional to 109,921.91, 164,770.77 and 43,325.06 is: 64,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,921.91 : 164,770.77 = 43,325.06 : x
  2. Step 2: Convert to fraction form
    109,921.91/164,770.77 = 43,325.06/x
  3. Step 3: Cross multiply
    109,921.91x = 164,770.77 × 43,325.06
  4. Step 4: Simplify right side
    109,921.91x = 7,138,703,496.50
  5. Step 5: Solve for x
    x = 7,138,703,496.50/109,921.91
  6. Step 6: Final answer
    x = 64,943.41

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1.5x scale

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.