Home / 66,414.08-99,566.83-30,897.54

Finding the Fourth Proportional to 66,414.08, 99,566.83 and 30,897.54

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Solution

The fourth proportional to 66,414.08, 99,566.83 and 30,897.54 is: 46,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,414.08 : 99,566.83 = 30,897.54 : x
  2. Step 2: Convert to fraction form
    66,414.08/99,566.83 = 30,897.54/x
  3. Step 3: Cross multiply
    66,414.08x = 99,566.83 × 30,897.54
  4. Step 4: Simplify right side
    66,414.08x = 3,076,369,940.92
  5. Step 5: Solve for x
    x = 3,076,369,940.92/66,414.08
  6. Step 6: Final answer
    x = 46,321.05

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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.