Home / 125,879.10-188,821.17-46,977.60

Finding the Fourth Proportional to 125,879.10, 188,821.17 and 46,977.60

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Solution

The fourth proportional to 125,879.10, 188,821.17 and 46,977.60 is: 70,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,879.10 : 188,821.17 = 46,977.60 : x
  2. Step 2: Convert to fraction form
    125,879.10/188,821.17 = 46,977.60/x
  3. Step 3: Cross multiply
    125,879.10x = 188,821.17 × 46,977.60
  4. Step 4: Simplify right side
    125,879.10x = 8,870,365,395.79
  5. Step 5: Solve for x
    x = 8,870,365,395.79/125,879.10
  6. Step 6: Final answer
    x = 70,467.34

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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.