Home / 53,113.20-79,680.72-44,408.96

Finding the Fourth Proportional to 53,113.20, 79,680.72 and 44,408.96

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Solution

The fourth proportional to 53,113.20, 79,680.72 and 44,408.96 is: 66,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.20 : 79,680.72 = 44,408.96 : x
  2. Step 2: Convert to fraction form
    53,113.20/79,680.72 = 44,408.96/x
  3. Step 3: Cross multiply
    53,113.20x = 79,680.72 × 44,408.96
  4. Step 4: Simplify right side
    53,113.20x = 3,538,537,907.25
  5. Step 5: Solve for x
    x = 3,538,537,907.25/53,113.20
  6. Step 6: Final answer
    x = 66,622.57

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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.