Home / 66,004.08-99,006.92-43,657.80

Finding the Fourth Proportional to 66,004.08, 99,006.92 and 43,657.80

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Solution

The fourth proportional to 66,004.08, 99,006.92 and 43,657.80 is: 65,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.08 : 99,006.92 = 43,657.80 : x
  2. Step 2: Convert to fraction form
    66,004.08/99,006.92 = 43,657.80/x
  3. Step 3: Cross multiply
    66,004.08x = 99,006.92 × 43,657.80
  4. Step 4: Simplify right side
    66,004.08x = 4,322,424,311.98
  5. Step 5: Solve for x
    x = 4,322,424,311.98/66,004.08
  6. Step 6: Final answer
    x = 65,487.23

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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.