Home / 57,130.42-85,699.64-17,682.34

Finding the Fourth Proportional to 57,130.42, 85,699.64 and 17,682.34

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Solution

The fourth proportional to 57,130.42, 85,699.64 and 17,682.34 is: 26,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,130.42 : 85,699.64 = 17,682.34 : x
  2. Step 2: Convert to fraction form
    57,130.42/85,699.64 = 17,682.34/x
  3. Step 3: Cross multiply
    57,130.42x = 85,699.64 × 17,682.34
  4. Step 4: Simplify right side
    57,130.42x = 1,515,370,172.36
  5. Step 5: Solve for x
    x = 1,515,370,172.36/57,130.42
  6. Step 6: Final answer
    x = 26,524.75

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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.