Home / 79,270.37-118,923.86-26,678.57

Finding the Fourth Proportional to 79,270.37, 118,923.86 and 26,678.57

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Solution

The fourth proportional to 79,270.37, 118,923.86 and 26,678.57 is: 40,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,270.37 : 118,923.86 = 26,678.57 : x
  2. Step 2: Convert to fraction form
    79,270.37/118,923.86 = 26,678.57/x
  3. Step 3: Cross multiply
    79,270.37x = 118,923.86 × 26,678.57
  4. Step 4: Simplify right side
    79,270.37x = 3,172,718,523.68
  5. Step 5: Solve for x
    x = 3,172,718,523.68/79,270.37
  6. Step 6: Final answer
    x = 40,024.02

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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.