Home / 98,866.24-148,324.64-28,745.55

Finding the Fourth Proportional to 98,866.24, 148,324.64 and 28,745.55

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Solution

The fourth proportional to 98,866.24, 148,324.64 and 28,745.55 is: 43,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,866.24 : 148,324.64 = 28,745.55 : x
  2. Step 2: Convert to fraction form
    98,866.24/148,324.64 = 28,745.55/x
  3. Step 3: Cross multiply
    98,866.24x = 148,324.64 × 28,745.55
  4. Step 4: Simplify right side
    98,866.24x = 4,263,673,726.16
  5. Step 5: Solve for x
    x = 4,263,673,726.16/98,866.24
  6. Step 6: Final answer
    x = 43,125.68

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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.