Home / 74,291.30-111,435.73-29,916.93

Finding the Fourth Proportional to 74,291.30, 111,435.73 and 29,916.93

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Solution

The fourth proportional to 74,291.30, 111,435.73 and 29,916.93 is: 44,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,291.30 : 111,435.73 = 29,916.93 : x
  2. Step 2: Convert to fraction form
    74,291.30/111,435.73 = 29,916.93/x
  3. Step 3: Cross multiply
    74,291.30x = 111,435.73 × 29,916.93
  4. Step 4: Simplify right side
    74,291.30x = 3,333,814,933.91
  5. Step 5: Solve for x
    x = 3,333,814,933.91/74,291.30
  6. Step 6: Final answer
    x = 44,874.90

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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.