Home / 74,556.18-102,879.83-42,284.27

Finding the Fourth Proportional to 74,556.18, 102,879.83 and 42,284.27

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Solution

The fourth proportional to 74,556.18, 102,879.83 and 42,284.27 is: 58,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,556.18 : 102,879.83 = 42,284.27 : x
  2. Step 2: Convert to fraction form
    74,556.18/102,879.83 = 42,284.27/x
  3. Step 3: Cross multiply
    74,556.18x = 102,879.83 × 42,284.27
  4. Step 4: Simplify right side
    74,556.18x = 4,350,198,509.27
  5. Step 5: Solve for x
    x = 4,350,198,509.27/74,556.18
  6. Step 6: Final answer
    x = 58,347.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.