Home / 104,090.14-143,644.47-56,343.34

Finding the Fourth Proportional to 104,090.14, 143,644.47 and 56,343.34

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Solution

The fourth proportional to 104,090.14, 143,644.47 and 56,343.34 is: 77,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,090.14 : 143,644.47 = 56,343.34 : x
  2. Step 2: Convert to fraction form
    104,090.14/143,644.47 = 56,343.34/x
  3. Step 3: Cross multiply
    104,090.14x = 143,644.47 × 56,343.34
  4. Step 4: Simplify right side
    104,090.14x = 8,093,409,212.33
  5. Step 5: Solve for x
    x = 8,093,409,212.33/104,090.14
  6. Step 6: Final answer
    x = 77,753.85

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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.