Home / 90,896.36-136,357.02-46,546.28

Finding the Fourth Proportional to 90,896.36, 136,357.02 and 46,546.28

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Solution

The fourth proportional to 90,896.36, 136,357.02 and 46,546.28 is: 69,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,896.36 : 136,357.02 = 46,546.28 : x
  2. Step 2: Convert to fraction form
    90,896.36/136,357.02 = 46,546.28/x
  3. Step 3: Cross multiply
    90,896.36x = 136,357.02 × 46,546.28
  4. Step 4: Simplify right side
    90,896.36x = 6,346,912,032.89
  5. Step 5: Solve for x
    x = 6,346,912,032.89/90,896.36
  6. Step 6: Final answer
    x = 69,825.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.