Home / 74,557.68-111,906.58-39,044.48

Finding the Fourth Proportional to 74,557.68, 111,906.58 and 39,044.48

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Solution

The fourth proportional to 74,557.68, 111,906.58 and 39,044.48 is: 58,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.68 : 111,906.58 = 39,044.48 : x
  2. Step 2: Convert to fraction form
    74,557.68/111,906.58 = 39,044.48/x
  3. Step 3: Cross multiply
    74,557.68x = 111,906.58 × 39,044.48
  4. Step 4: Simplify right side
    74,557.68x = 4,369,333,640.74
  5. Step 5: Solve for x
    x = 4,369,333,640.74/74,557.68
  6. Step 6: Final answer
    x = 58,603.40

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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.