Home / 107,948.21-161,883.41-45,623.57

Finding the Fourth Proportional to 107,948.21, 161,883.41 and 45,623.57

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Solution

The fourth proportional to 107,948.21, 161,883.41 and 45,623.57 is: 68,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,948.21 : 161,883.41 = 45,623.57 : x
  2. Step 2: Convert to fraction form
    107,948.21/161,883.41 = 45,623.57/x
  3. Step 3: Cross multiply
    107,948.21x = 161,883.41 × 45,623.57
  4. Step 4: Simplify right side
    107,948.21x = 7,385,698,050.44
  5. Step 5: Solve for x
    x = 7,385,698,050.44/107,948.21
  6. Step 6: Final answer
    x = 68,418.91

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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.