Home / 74,211.12-102,341.88-47,370.96

Finding the Fourth Proportional to 74,211.12, 102,341.88 and 47,370.96

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Solution

The fourth proportional to 74,211.12, 102,341.88 and 47,370.96 is: 65,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,211.12 : 102,341.88 = 47,370.96 : x
  2. Step 2: Convert to fraction form
    74,211.12/102,341.88 = 47,370.96/x
  3. Step 3: Cross multiply
    74,211.12x = 102,341.88 × 47,370.96
  4. Step 4: Simplify right side
    74,211.12x = 4,848,033,103.80
  5. Step 5: Solve for x
    x = 4,848,033,103.80/74,211.12
  6. Step 6: Final answer
    x = 65,327.58

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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.