Home / 94,619.58-141,940.36-31,445.34

Finding the Fourth Proportional to 94,619.58, 141,940.36 and 31,445.34

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Solution

The fourth proportional to 94,619.58, 141,940.36 and 31,445.34 is: 47,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,619.58 : 141,940.36 = 31,445.34 : x
  2. Step 2: Convert to fraction form
    94,619.58/141,940.36 = 31,445.34/x
  3. Step 3: Cross multiply
    94,619.58x = 141,940.36 × 31,445.34
  4. Step 4: Simplify right side
    94,619.58x = 4,463,362,879.92
  5. Step 5: Solve for x
    x = 4,463,362,879.92/94,619.58
  6. Step 6: Final answer
    x = 47,171.66

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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.