Home / 109,632.70-164,449.05-30,760.30

Finding the Fourth Proportional to 109,632.70, 164,449.05 and 30,760.30

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Solution

The fourth proportional to 109,632.70, 164,449.05 and 30,760.30 is: 46,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,632.70 : 164,449.05 = 30,760.30 : x
  2. Step 2: Convert to fraction form
    109,632.70/164,449.05 = 30,760.30/x
  3. Step 3: Cross multiply
    109,632.70x = 164,449.05 × 30,760.30
  4. Step 4: Simplify right side
    109,632.70x = 5,058,502,112.72
  5. Step 5: Solve for x
    x = 5,058,502,112.72/109,632.70
  6. Step 6: Final answer
    x = 46,140.45

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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.