Home / 104,735.82-144,536.09-56,989.52

Finding the Fourth Proportional to 104,735.82, 144,536.09 and 56,989.52

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Solution

The fourth proportional to 104,735.82, 144,536.09 and 56,989.52 is: 78,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,735.82 : 144,536.09 = 56,989.52 : x
  2. Step 2: Convert to fraction form
    104,735.82/144,536.09 = 56,989.52/x
  3. Step 3: Cross multiply
    104,735.82x = 144,536.09 × 56,989.52
  4. Step 4: Simplify right side
    104,735.82x = 8,237,042,391.78
  5. Step 5: Solve for x
    x = 8,237,042,391.78/104,735.82
  6. Step 6: Final answer
    x = 78,645.90

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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.