Home / 77,941.66-116,846.88-31,169.02

Finding the Fourth Proportional to 77,941.66, 116,846.88 and 31,169.02

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Solution

The fourth proportional to 77,941.66, 116,846.88 and 31,169.02 is: 46,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,941.66 : 116,846.88 = 31,169.02 : x
  2. Step 2: Convert to fraction form
    77,941.66/116,846.88 = 31,169.02/x
  3. Step 3: Cross multiply
    77,941.66x = 116,846.88 × 31,169.02
  4. Step 4: Simplify right side
    77,941.66x = 3,642,002,739.66
  5. Step 5: Solve for x
    x = 3,642,002,739.66/77,941.66
  6. Step 6: Final answer
    x = 46,727.29

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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.