Home / 109,649.55-164,479.19-30,762.03

Finding the Fourth Proportional to 109,649.55, 164,479.19 and 30,762.03

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Solution

The fourth proportional to 109,649.55, 164,479.19 and 30,762.03 is: 46,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,649.55 : 164,479.19 = 30,762.03 : x
  2. Step 2: Convert to fraction form
    109,649.55/164,479.19 = 30,762.03/x
  3. Step 3: Cross multiply
    109,649.55x = 164,479.19 × 30,762.03
  4. Step 4: Simplify right side
    109,649.55x = 5,059,713,623.35
  5. Step 5: Solve for x
    x = 5,059,713,623.35/109,649.55
  6. Step 6: Final answer
    x = 46,144.41

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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.