Home / 110,007.72-164,893.50-72,042.48

Finding the Fourth Proportional to 110,007.72, 164,893.50 and 72,042.48

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Solution

The fourth proportional to 110,007.72, 164,893.50 and 72,042.48 is: 107,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,007.72 : 164,893.50 = 72,042.48 : x
  2. Step 2: Convert to fraction form
    110,007.72/164,893.50 = 72,042.48/x
  3. Step 3: Cross multiply
    110,007.72x = 164,893.50 × 72,042.48
  4. Step 4: Simplify right side
    110,007.72x = 11,879,336,675.88
  5. Step 5: Solve for x
    x = 11,879,336,675.88/110,007.72
  6. Step 6: Final answer
    x = 107,986.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.