Home / 74,603.72-111,872.76-39,535.17

Finding the Fourth Proportional to 74,603.72, 111,872.76 and 39,535.17

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Solution

The fourth proportional to 74,603.72, 111,872.76 and 39,535.17 is: 59,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,603.72 : 111,872.76 = 39,535.17 : x
  2. Step 2: Convert to fraction form
    74,603.72/111,872.76 = 39,535.17/x
  3. Step 3: Cross multiply
    74,603.72x = 111,872.76 × 39,535.17
  4. Step 4: Simplify right side
    74,603.72x = 4,422,908,584.97
  5. Step 5: Solve for x
    x = 4,422,908,584.97/74,603.72
  6. Step 6: Final answer
    x = 59,285.37

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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.