Home / 109,580.60-164,249.40-42,998.60

Finding the Fourth Proportional to 109,580.60, 164,249.40 and 42,998.60

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Solution

The fourth proportional to 109,580.60, 164,249.40 and 42,998.60 is: 64,450.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,580.60 : 164,249.40 = 42,998.60 : x
  2. Step 2: Convert to fraction form
    109,580.60/164,249.40 = 42,998.60/x
  3. Step 3: Cross multiply
    109,580.60x = 164,249.40 × 42,998.60
  4. Step 4: Simplify right side
    109,580.60x = 7,062,494,250.84
  5. Step 5: Solve for x
    x = 7,062,494,250.84/109,580.60
  6. Step 6: Final answer
    x = 64,450.22

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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.