Home / 104,311.12-143,950.25-56,564.47

Finding the Fourth Proportional to 104,311.12, 143,950.25 and 56,564.47

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Solution

The fourth proportional to 104,311.12, 143,950.25 and 56,564.47 is: 78,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,311.12 : 143,950.25 = 56,564.47 : x
  2. Step 2: Convert to fraction form
    104,311.12/143,950.25 = 56,564.47/x
  3. Step 3: Cross multiply
    104,311.12x = 143,950.25 × 56,564.47
  4. Step 4: Simplify right side
    104,311.12x = 8,142,469,195.93
  5. Step 5: Solve for x
    x = 8,142,469,195.93/104,311.12
  6. Step 6: Final answer
    x = 78,059.46

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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.