Home / 104,404.14-144,078.77-56,657.90

Finding the Fourth Proportional to 104,404.14, 144,078.77 and 56,657.90

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Solution

The fourth proportional to 104,404.14, 144,078.77 and 56,657.90 is: 78,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,404.14 : 144,078.77 = 56,657.90 : x
  2. Step 2: Convert to fraction form
    104,404.14/144,078.77 = 56,657.90/x
  3. Step 3: Cross multiply
    104,404.14x = 144,078.77 × 56,657.90
  4. Step 4: Simplify right side
    104,404.14x = 8,163,200,542.78
  5. Step 5: Solve for x
    x = 8,163,200,542.78/104,404.14
  6. Step 6: Final answer
    x = 78,188.48

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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.