Home / 123,745.24-185,499.40-39,458.95

Finding the Fourth Proportional to 123,745.24, 185,499.40 and 39,458.95

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Solution

The fourth proportional to 123,745.24, 185,499.40 and 39,458.95 is: 59,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,745.24 : 185,499.40 = 39,458.95 : x
  2. Step 2: Convert to fraction form
    123,745.24/185,499.40 = 39,458.95/x
  3. Step 3: Cross multiply
    123,745.24x = 185,499.40 × 39,458.95
  4. Step 4: Simplify right side
    123,745.24x = 7,319,611,227.69
  5. Step 5: Solve for x
    x = 7,319,611,227.69/123,745.24
  6. Step 6: Final answer
    x = 59,150.65

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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.