Home / 66,289.26-99,433.82-54,577.86

Finding the Fourth Proportional to 66,289.26, 99,433.82 and 54,577.86

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Solution

The fourth proportional to 66,289.26, 99,433.82 and 54,577.86 is: 81,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,289.26 : 99,433.82 = 54,577.86 : x
  2. Step 2: Convert to fraction form
    66,289.26/99,433.82 = 54,577.86/x
  3. Step 3: Cross multiply
    66,289.26x = 99,433.82 × 54,577.86
  4. Step 4: Simplify right side
    66,289.26x = 5,426,885,107.23
  5. Step 5: Solve for x
    x = 5,426,885,107.23/66,289.26
  6. Step 6: Final answer
    x = 81,866.73

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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.