Home / 84,015.43-115,941.23-46,289.68

Finding the Fourth Proportional to 84,015.43, 115,941.23 and 46,289.68

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Solution

The fourth proportional to 84,015.43, 115,941.23 and 46,289.68 is: 63,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,015.43 : 115,941.23 = 46,289.68 : x
  2. Step 2: Convert to fraction form
    84,015.43/115,941.23 = 46,289.68/x
  3. Step 3: Cross multiply
    84,015.43x = 115,941.23 × 46,289.68
  4. Step 4: Simplify right side
    84,015.43x = 5,366,882,435.51
  5. Step 5: Solve for x
    x = 5,366,882,435.51/84,015.43
  6. Step 6: Final answer
    x = 63,879.72

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1.5x scale

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.