Home / 80,828.36-111,546.24-46,838

Finding the Fourth Proportional to 80,828.36, 111,546.24 and 46,838

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Solution

The fourth proportional to 80,828.36, 111,546.24 and 46,838 is: 64,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,828.36 : 111,546.24 = 46,838 : x
  2. Step 2: Convert to fraction form
    80,828.36/111,546.24 = 46,838/x
  3. Step 3: Cross multiply
    80,828.36x = 111,546.24 × 46,838
  4. Step 4: Simplify right side
    80,828.36x = 5,224,602,789.12
  5. Step 5: Solve for x
    x = 5,224,602,789.12/80,828.36
  6. Step 6: Final answer
    x = 64,638.24

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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.