Home / 77,777.82-116,672.49-22,378.14

Finding the Fourth Proportional to 77,777.82, 116,672.49 and 22,378.14

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Solution

The fourth proportional to 77,777.82, 116,672.49 and 22,378.14 is: 33,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,777.82 : 116,672.49 = 22,378.14 : x
  2. Step 2: Convert to fraction form
    77,777.82/116,672.49 = 22,378.14/x
  3. Step 3: Cross multiply
    77,777.82x = 116,672.49 × 22,378.14
  4. Step 4: Simplify right side
    77,777.82x = 2,610,913,315.37
  5. Step 5: Solve for x
    x = 2,610,913,315.37/77,777.82
  6. Step 6: Final answer
    x = 33,568.87

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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.