Home / 69,789.58-104,642.22-31,314.05

Finding the Fourth Proportional to 69,789.58, 104,642.22 and 31,314.05

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Solution

The fourth proportional to 69,789.58, 104,642.22 and 31,314.05 is: 46,952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,789.58 : 104,642.22 = 31,314.05 : x
  2. Step 2: Convert to fraction form
    69,789.58/104,642.22 = 31,314.05/x
  3. Step 3: Cross multiply
    69,789.58x = 104,642.22 × 31,314.05
  4. Step 4: Simplify right side
    69,789.58x = 3,276,771,709.19
  5. Step 5: Solve for x
    x = 3,276,771,709.19/69,789.58
  6. Step 6: Final answer
    x = 46,952.16

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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.