Home / 66,012.98-98,945.59-28,516.86

Finding the Fourth Proportional to 66,012.98, 98,945.59 and 28,516.86

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Solution

The fourth proportional to 66,012.98, 98,945.59 and 28,516.86 is: 42,743.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,012.98 : 98,945.59 = 28,516.86 : x
  2. Step 2: Convert to fraction form
    66,012.98/98,945.59 = 28,516.86/x
  3. Step 3: Cross multiply
    66,012.98x = 98,945.59 × 28,516.86
  4. Step 4: Simplify right side
    66,012.98x = 2,821,617,537.65
  5. Step 5: Solve for x
    x = 2,821,617,537.65/66,012.98
  6. Step 6: Final answer
    x = 42,743.37

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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.