Home / 74,404.49-111,511.83-34,874.51

Finding the Fourth Proportional to 74,404.49, 111,511.83 and 34,874.51

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Solution

The fourth proportional to 74,404.49, 111,511.83 and 34,874.51 is: 52,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,404.49 : 111,511.83 = 34,874.51 : x
  2. Step 2: Convert to fraction form
    74,404.49/111,511.83 = 34,874.51/x
  3. Step 3: Cross multiply
    74,404.49x = 111,511.83 × 34,874.51
  4. Step 4: Simplify right side
    74,404.49x = 3,888,920,430.45
  5. Step 5: Solve for x
    x = 3,888,920,430.45/74,404.49
  6. Step 6: Final answer
    x = 52,267.28

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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.