Home / 83,945.08-115,844.34-46,219.42

Finding the Fourth Proportional to 83,945.08, 115,844.34 and 46,219.42

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Solution

The fourth proportional to 83,945.08, 115,844.34 and 46,219.42 is: 63,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,945.08 : 115,844.34 = 46,219.42 : x
  2. Step 2: Convert to fraction form
    83,945.08/115,844.34 = 46,219.42/x
  3. Step 3: Cross multiply
    83,945.08x = 115,844.34 × 46,219.42
  4. Step 4: Simplify right side
    83,945.08x = 5,354,258,205.08
  5. Step 5: Solve for x
    x = 5,354,258,205.08/83,945.08
  6. Step 6: Final answer
    x = 63,782.87

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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.