Home / 104,317.52-143,958.21-56,570.85

Finding the Fourth Proportional to 104,317.52, 143,958.21 and 56,570.85

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Solution

The fourth proportional to 104,317.52, 143,958.21 and 56,570.85 is: 78,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,317.52 : 143,958.21 = 56,570.85 : x
  2. Step 2: Convert to fraction form
    104,317.52/143,958.21 = 56,570.85/x
  3. Step 3: Cross multiply
    104,317.52x = 143,958.21 × 56,570.85
  4. Step 4: Simplify right side
    104,317.52x = 8,143,838,304.18
  5. Step 5: Solve for x
    x = 8,143,838,304.18/104,317.52
  6. Step 6: Final answer
    x = 78,067.79

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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.