Home / 74,579.84-111,866.11-27,829.07

Finding the Fourth Proportional to 74,579.84, 111,866.11 and 27,829.07

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Solution

The fourth proportional to 74,579.84, 111,866.11 and 27,829.07 is: 41,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,579.84 : 111,866.11 = 27,829.07 : x
  2. Step 2: Convert to fraction form
    74,579.84/111,866.11 = 27,829.07/x
  3. Step 3: Cross multiply
    74,579.84x = 111,866.11 × 27,829.07
  4. Step 4: Simplify right side
    74,579.84x = 3,113,129,107.34
  5. Step 5: Solve for x
    x = 3,113,129,107.34/74,579.84
  6. Step 6: Final answer
    x = 41,742.24

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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.