Home / 64,145.04-96,192.96-30,857.28

Finding the Fourth Proportional to 64,145.04, 96,192.96 and 30,857.28

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Solution

The fourth proportional to 64,145.04, 96,192.96 and 30,857.28 is: 46,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.04 : 96,192.96 = 30,857.28 : x
  2. Step 2: Convert to fraction form
    64,145.04/96,192.96 = 30,857.28/x
  3. Step 3: Cross multiply
    64,145.04x = 96,192.96 × 30,857.28
  4. Step 4: Simplify right side
    64,145.04x = 2,968,253,100.75
  5. Step 5: Solve for x
    x = 2,968,253,100.75/64,145.04
  6. Step 6: Final answer
    x = 46,274.09

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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.