Home / 104,048.10-156,067.26-72,364.50

Finding the Fourth Proportional to 104,048.10, 156,067.26 and 72,364.50

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Solution

The fourth proportional to 104,048.10, 156,067.26 and 72,364.50 is: 108,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,048.10 : 156,067.26 = 72,364.50 : x
  2. Step 2: Convert to fraction form
    104,048.10/156,067.26 = 72,364.50/x
  3. Step 3: Cross multiply
    104,048.10x = 156,067.26 × 72,364.50
  4. Step 4: Simplify right side
    104,048.10x = 11,293,729,236.27
  5. Step 5: Solve for x
    x = 11,293,729,236.27/104,048.10
  6. Step 6: Final answer
    x = 108,543.35

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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.