Home / 109,512.48-164,243.68-30,632.32

Finding the Fourth Proportional to 109,512.48, 164,243.68 and 30,632.32

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Solution

The fourth proportional to 109,512.48, 164,243.68 and 30,632.32 is: 45,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512.48 : 164,243.68 = 30,632.32 : x
  2. Step 2: Convert to fraction form
    109,512.48/164,243.68 = 30,632.32/x
  3. Step 3: Cross multiply
    109,512.48x = 164,243.68 × 30,632.32
  4. Step 4: Simplify right side
    109,512.48x = 5,031,164,963.74
  5. Step 5: Solve for x
    x = 5,031,164,963.74/109,512.48
  6. Step 6: Final answer
    x = 45,941.48

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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.