Home / 104,676.76-144,452.91-56,930.50

Finding the Fourth Proportional to 104,676.76, 144,452.91 and 56,930.50

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Solution

The fourth proportional to 104,676.76, 144,452.91 and 56,930.50 is: 78,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,676.76 : 144,452.91 = 56,930.50 : x
  2. Step 2: Convert to fraction form
    104,676.76/144,452.91 = 56,930.50/x
  3. Step 3: Cross multiply
    104,676.76x = 144,452.91 × 56,930.50
  4. Step 4: Simplify right side
    104,676.76x = 8,223,776,392.76
  5. Step 5: Solve for x
    x = 8,223,776,392.76/104,676.76
  6. Step 6: Final answer
    x = 78,563.54

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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.