Home / 109,393.52-164,117.96-30,507.75

Finding the Fourth Proportional to 109,393.52, 164,117.96 and 30,507.75

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Solution

The fourth proportional to 109,393.52, 164,117.96 and 30,507.75 is: 45,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,393.52 : 164,117.96 = 30,507.75 : x
  2. Step 2: Convert to fraction form
    109,393.52/164,117.96 = 30,507.75/x
  3. Step 3: Cross multiply
    109,393.52x = 164,117.96 × 30,507.75
  4. Step 4: Simplify right side
    109,393.52x = 5,006,869,694.19
  5. Step 5: Solve for x
    x = 5,006,869,694.19/109,393.52
  6. Step 6: Final answer
    x = 45,769.34

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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.