Home / 77,996.02-116,993.94-31,281.70

Finding the Fourth Proportional to 77,996.02, 116,993.94 and 31,281.70

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Solution

The fourth proportional to 77,996.02, 116,993.94 and 31,281.70 is: 46,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996.02 : 116,993.94 = 31,281.70 : x
  2. Step 2: Convert to fraction form
    77,996.02/116,993.94 = 31,281.70/x
  3. Step 3: Cross multiply
    77,996.02x = 116,993.94 × 31,281.70
  4. Step 4: Simplify right side
    77,996.02x = 3,659,769,332.90
  5. Step 5: Solve for x
    x = 3,659,769,332.90/77,996.02
  6. Step 6: Final answer
    x = 46,922.51

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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.