Home / 74,315.60-111,477-29,936.36

Finding the Fourth Proportional to 74,315.60, 111,477 and 29,936.36

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Solution

The fourth proportional to 74,315.60, 111,477 and 29,936.36 is: 44,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,315.60 : 111,477 = 29,936.36 : x
  2. Step 2: Convert to fraction form
    74,315.60/111,477 = 29,936.36/x
  3. Step 3: Cross multiply
    74,315.60x = 111,477 × 29,936.36
  4. Step 4: Simplify right side
    74,315.60x = 3,337,215,603.72
  5. Step 5: Solve for x
    x = 3,337,215,603.72/74,315.60
  6. Step 6: Final answer
    x = 44,905.99

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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.