Home / 57,087.10-85,603.66-17,090.65

Finding the Fourth Proportional to 57,087.10, 85,603.66 and 17,090.65

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Solution

The fourth proportional to 57,087.10, 85,603.66 and 17,090.65 is: 25,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,087.10 : 85,603.66 = 17,090.65 : x
  2. Step 2: Convert to fraction form
    57,087.10/85,603.66 = 17,090.65/x
  3. Step 3: Cross multiply
    57,087.10x = 85,603.66 × 17,090.65
  4. Step 4: Simplify right side
    57,087.10x = 1,463,021,822.60
  5. Step 5: Solve for x
    x = 1,463,021,822.60/57,087.10
  6. Step 6: Final answer
    x = 25,627.89

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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.