Home / 109,845.90-164,623.05-57,241.26

Finding the Fourth Proportional to 109,845.90, 164,623.05 and 57,241.26

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Solution

The fourth proportional to 109,845.90, 164,623.05 and 57,241.26 is: 85,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,845.90 : 164,623.05 = 57,241.26 : x
  2. Step 2: Convert to fraction form
    109,845.90/164,623.05 = 57,241.26/x
  3. Step 3: Cross multiply
    109,845.90x = 164,623.05 × 57,241.26
  4. Step 4: Simplify right side
    109,845.90x = 9,423,230,807.04
  5. Step 5: Solve for x
    x = 9,423,230,807.04/109,845.90
  6. Step 6: Final answer
    x = 85,785.91

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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.