Home / 118,625.04-177,939.72-39,738.96

Finding the Fourth Proportional to 118,625.04, 177,939.72 and 39,738.96

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Solution

The fourth proportional to 118,625.04, 177,939.72 and 39,738.96 is: 59,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,625.04 : 177,939.72 = 39,738.96 : x
  2. Step 2: Convert to fraction form
    118,625.04/177,939.72 = 39,738.96/x
  3. Step 3: Cross multiply
    118,625.04x = 177,939.72 × 39,738.96
  4. Step 4: Simplify right side
    118,625.04x = 7,071,139,415.49
  5. Step 5: Solve for x
    x = 7,071,139,415.49/118,625.04
  6. Step 6: Final answer
    x = 59,609.16

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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.