Home / 84,879.24-117,135.20-46,639.33

Finding the Fourth Proportional to 84,879.24, 117,135.20 and 46,639.33

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Solution

The fourth proportional to 84,879.24, 117,135.20 and 46,639.33 is: 64,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,879.24 : 117,135.20 = 46,639.33 : x
  2. Step 2: Convert to fraction form
    84,879.24/117,135.20 = 46,639.33/x
  3. Step 3: Cross multiply
    84,879.24x = 117,135.20 × 46,639.33
  4. Step 4: Simplify right side
    84,879.24x = 5,463,107,247.42
  5. Step 5: Solve for x
    x = 5,463,107,247.42/84,879.24
  6. Step 6: Final answer
    x = 64,363.29

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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.