Home / 118,658.03-177,971.25-39,772.94

Finding the Fourth Proportional to 118,658.03, 177,971.25 and 39,772.94

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Solution

The fourth proportional to 118,658.03, 177,971.25 and 39,772.94 is: 59,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,658.03 : 177,971.25 = 39,772.94 : x
  2. Step 2: Convert to fraction form
    118,658.03/177,971.25 = 39,772.94/x
  3. Step 3: Cross multiply
    118,658.03x = 177,971.25 × 39,772.94
  4. Step 4: Simplify right side
    118,658.03x = 7,078,439,847.98
  5. Step 5: Solve for x
    x = 7,078,439,847.98/118,658.03
  6. Step 6: Final answer
    x = 59,654.12

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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.