Home / 97,163.07-145,485.19-57,148.66

Finding the Fourth Proportional to 97,163.07, 145,485.19 and 57,148.66

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Solution

The fourth proportional to 97,163.07, 145,485.19 and 57,148.66 is: 85,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,163.07 : 145,485.19 = 57,148.66 : x
  2. Step 2: Convert to fraction form
    97,163.07/145,485.19 = 57,148.66/x
  3. Step 3: Cross multiply
    97,163.07x = 145,485.19 × 57,148.66
  4. Step 4: Simplify right side
    97,163.07x = 8,314,283,658.35
  5. Step 5: Solve for x
    x = 8,314,283,658.35/97,163.07
  6. Step 6: Final answer
    x = 85,570.41

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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.