Home / 79,325.86-118,999.92-23,170.09

Finding the Fourth Proportional to 79,325.86, 118,999.92 and 23,170.09

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Solution

The fourth proportional to 79,325.86, 118,999.92 and 23,170.09 is: 34,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,325.86 : 118,999.92 = 23,170.09 : x
  2. Step 2: Convert to fraction form
    79,325.86/118,999.92 = 23,170.09/x
  3. Step 3: Cross multiply
    79,325.86x = 118,999.92 × 23,170.09
  4. Step 4: Simplify right side
    79,325.86x = 2,757,238,261.39
  5. Step 5: Solve for x
    x = 2,757,238,261.39/79,325.86
  6. Step 6: Final answer
    x = 34,758.38

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1.5x scale

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.