Home / 77,983.98-116,975.94-30,621.38

Finding the Fourth Proportional to 77,983.98, 116,975.94 and 30,621.38

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Solution

The fourth proportional to 77,983.98, 116,975.94 and 30,621.38 is: 45,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,983.98 : 116,975.94 = 30,621.38 : x
  2. Step 2: Convert to fraction form
    77,983.98/116,975.94 = 30,621.38/x
  3. Step 3: Cross multiply
    77,983.98x = 116,975.94 × 30,621.38
  4. Step 4: Simplify right side
    77,983.98x = 3,581,964,709.60
  5. Step 5: Solve for x
    x = 3,581,964,709.60/77,983.98
  6. Step 6: Final answer
    x = 45,932.06

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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.