Home / 96,770.36-145,124.82-31,091

Finding the Fourth Proportional to 96,770.36, 145,124.82 and 31,091

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Solution

The fourth proportional to 96,770.36, 145,124.82 and 31,091 is: 46,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,770.36 : 145,124.82 = 31,091 : x
  2. Step 2: Convert to fraction form
    96,770.36/145,124.82 = 31,091/x
  3. Step 3: Cross multiply
    96,770.36x = 145,124.82 × 31,091
  4. Step 4: Simplify right side
    96,770.36x = 4,512,075,778.62
  5. Step 5: Solve for x
    x = 4,512,075,778.62/96,770.36
  6. Step 6: Final answer
    x = 46,626.63

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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.