Home / 64,525.25-96,784.43-20,146.92

Finding the Fourth Proportional to 64,525.25, 96,784.43 and 20,146.92

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Solution

The fourth proportional to 64,525.25, 96,784.43 and 20,146.92 is: 30,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,525.25 : 96,784.43 = 20,146.92 : x
  2. Step 2: Convert to fraction form
    64,525.25/96,784.43 = 20,146.92/x
  3. Step 3: Cross multiply
    64,525.25x = 96,784.43 × 20,146.92
  4. Step 4: Simplify right side
    64,525.25x = 1,949,908,067.72
  5. Step 5: Solve for x
    x = 1,949,908,067.72/64,525.25
  6. Step 6: Final answer
    x = 30,219.31

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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.