Home / 79,180.14-118,781.10-26,604.66

Finding the Fourth Proportional to 79,180.14, 118,781.10 and 26,604.66

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Solution

The fourth proportional to 79,180.14, 118,781.10 and 26,604.66 is: 39,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180.14 : 118,781.10 = 26,604.66 : x
  2. Step 2: Convert to fraction form
    79,180.14/118,781.10 = 26,604.66/x
  3. Step 3: Cross multiply
    79,180.14x = 118,781.10 × 26,604.66
  4. Step 4: Simplify right side
    79,180.14x = 3,160,130,779.93
  5. Step 5: Solve for x
    x = 3,160,130,779.93/79,180.14
  6. Step 6: Final answer
    x = 39,910.65

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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.