Home / 66,072.54-99,015.62-51,211.92

Finding the Fourth Proportional to 66,072.54, 99,015.62 and 51,211.92

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Solution

The fourth proportional to 66,072.54, 99,015.62 and 51,211.92 is: 76,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072.54 : 99,015.62 = 51,211.92 : x
  2. Step 2: Convert to fraction form
    66,072.54/99,015.62 = 51,211.92/x
  3. Step 3: Cross multiply
    66,072.54x = 99,015.62 × 51,211.92
  4. Step 4: Simplify right side
    66,072.54x = 5,070,779,754.13
  5. Step 5: Solve for x
    x = 5,070,779,754.13/66,072.54
  6. Step 6: Final answer
    x = 76,745.65

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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.