Home / 104,290.45-143,919.97-58,977.34

Finding the Fourth Proportional to 104,290.45, 143,919.97 and 58,977.34

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Solution

The fourth proportional to 104,290.45, 143,919.97 and 58,977.34 is: 81,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,290.45 : 143,919.97 = 58,977.34 : x
  2. Step 2: Convert to fraction form
    104,290.45/143,919.97 = 58,977.34/x
  3. Step 3: Cross multiply
    104,290.45x = 143,919.97 × 58,977.34
  4. Step 4: Simplify right side
    104,290.45x = 8,488,016,496.24
  5. Step 5: Solve for x
    x = 8,488,016,496.24/104,290.45
  6. Step 6: Final answer
    x = 81,388.25

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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.