Home / 74,332.82-111,509.07-39,273.86

Finding the Fourth Proportional to 74,332.82, 111,509.07 and 39,273.86

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Solution

The fourth proportional to 74,332.82, 111,509.07 and 39,273.86 is: 58,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,332.82 : 111,509.07 = 39,273.86 : x
  2. Step 2: Convert to fraction form
    74,332.82/111,509.07 = 39,273.86/x
  3. Step 3: Cross multiply
    74,332.82x = 111,509.07 × 39,273.86
  4. Step 4: Simplify right side
    74,332.82x = 4,379,391,603.91
  5. Step 5: Solve for x
    x = 4,379,391,603.91/74,332.82
  6. Step 6: Final answer
    x = 58,915.99

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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.