Home / 104,984.55-144,879.52-57,238.24

Finding the Fourth Proportional to 104,984.55, 144,879.52 and 57,238.24

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Solution

The fourth proportional to 104,984.55, 144,879.52 and 57,238.24 is: 78,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,984.55 : 144,879.52 = 57,238.24 : x
  2. Step 2: Convert to fraction form
    104,984.55/144,879.52 = 57,238.24/x
  3. Step 3: Cross multiply
    104,984.55x = 144,879.52 × 57,238.24
  4. Step 4: Simplify right side
    104,984.55x = 8,292,648,736.84
  5. Step 5: Solve for x
    x = 8,292,648,736.84/104,984.55
  6. Step 6: Final answer
    x = 78,989.23

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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.