Home / 77,994.09-117,003.38-33,633.45

Finding the Fourth Proportional to 77,994.09, 117,003.38 and 33,633.45

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Solution

The fourth proportional to 77,994.09, 117,003.38 and 33,633.45 is: 50,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,994.09 : 117,003.38 = 33,633.45 : x
  2. Step 2: Convert to fraction form
    77,994.09/117,003.38 = 33,633.45/x
  3. Step 3: Cross multiply
    77,994.09x = 117,003.38 × 33,633.45
  4. Step 4: Simplify right side
    77,994.09x = 3,935,227,162.89
  5. Step 5: Solve for x
    x = 3,935,227,162.89/77,994.09
  6. Step 6: Final answer
    x = 50,455.45

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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.