Home / 104,104.24-143,662.84-56,356.36

Finding the Fourth Proportional to 104,104.24, 143,662.84 and 56,356.36

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Solution

The fourth proportional to 104,104.24, 143,662.84 and 56,356.36 is: 77,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104.24 : 143,662.84 = 56,356.36 : x
  2. Step 2: Convert to fraction form
    104,104.24/143,662.84 = 56,356.36/x
  3. Step 3: Cross multiply
    104,104.24x = 143,662.84 × 56,356.36
  4. Step 4: Simplify right side
    104,104.24x = 8,096,314,729.66
  5. Step 5: Solve for x
    x = 8,096,314,729.66/104,104.24
  6. Step 6: Final answer
    x = 77,771.23

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1.5x scale

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.