Home / 96,994.12-133,913.38-66,418.38

Finding the Fourth Proportional to 96,994.12, 133,913.38 and 66,418.38

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Solution

The fourth proportional to 96,994.12, 133,913.38 and 66,418.38 is: 91,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,994.12 : 133,913.38 = 66,418.38 : x
  2. Step 2: Convert to fraction form
    96,994.12/133,913.38 = 66,418.38/x
  3. Step 3: Cross multiply
    96,994.12x = 133,913.38 × 66,418.38
  4. Step 4: Simplify right side
    96,994.12x = 8,894,309,759.92
  5. Step 5: Solve for x
    x = 8,894,309,759.92/96,994.12
  6. Step 6: Final answer
    x = 91,699.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.