Home / 66,193.76-99,234.67-28,725.49

Finding the Fourth Proportional to 66,193.76, 99,234.67 and 28,725.49

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Solution

The fourth proportional to 66,193.76, 99,234.67 and 28,725.49 is: 43,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,193.76 : 99,234.67 = 28,725.49 : x
  2. Step 2: Convert to fraction form
    66,193.76/99,234.67 = 28,725.49/x
  3. Step 3: Cross multiply
    66,193.76x = 99,234.67 × 28,725.49
  4. Step 4: Simplify right side
    66,193.76x = 2,850,564,068.63
  5. Step 5: Solve for x
    x = 2,850,564,068.63/66,193.76
  6. Step 6: Final answer
    x = 43,063.94

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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.