Home / 109,974.03-164,928.13-57,354.81

Finding the Fourth Proportional to 109,974.03, 164,928.13 and 57,354.81

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Solution

The fourth proportional to 109,974.03, 164,928.13 and 57,354.81 is: 86,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,974.03 : 164,928.13 = 57,354.81 : x
  2. Step 2: Convert to fraction form
    109,974.03/164,928.13 = 57,354.81/x
  3. Step 3: Cross multiply
    109,974.03x = 164,928.13 × 57,354.81
  4. Step 4: Simplify right side
    109,974.03x = 9,459,420,735.16
  5. Step 5: Solve for x
    x = 9,459,420,735.16/109,974.03
  6. Step 6: Final answer
    x = 86,015.05

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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.