Home / 82,451.36-113,782.92-46,640.62

Finding the Fourth Proportional to 82,451.36, 113,782.92 and 46,640.62

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Solution

The fourth proportional to 82,451.36, 113,782.92 and 46,640.62 is: 64,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,451.36 : 113,782.92 = 46,640.62 : x
  2. Step 2: Convert to fraction form
    82,451.36/113,782.92 = 46,640.62/x
  3. Step 3: Cross multiply
    82,451.36x = 113,782.92 × 46,640.62
  4. Step 4: Simplify right side
    82,451.36x = 5,306,905,649.75
  5. Step 5: Solve for x
    x = 5,306,905,649.75/82,451.36
  6. Step 6: Final answer
    x = 64,364.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.