Home / 57,172.14-85,771.83-19,732.53

Finding the Fourth Proportional to 57,172.14, 85,771.83 and 19,732.53

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Solution

The fourth proportional to 57,172.14, 85,771.83 and 19,732.53 is: 29,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.14 : 85,771.83 = 19,732.53 : x
  2. Step 2: Convert to fraction form
    57,172.14/85,771.83 = 19,732.53/x
  3. Step 3: Cross multiply
    57,172.14x = 85,771.83 × 19,732.53
  4. Step 4: Simplify right side
    57,172.14x = 1,692,494,681.11
  5. Step 5: Solve for x
    x = 1,692,494,681.11/57,172.14
  6. Step 6: Final answer
    x = 29,603.49

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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.