Home / 66,269.10-99,208.35-43,738.22

Finding the Fourth Proportional to 66,269.10, 99,208.35 and 43,738.22

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Solution

The fourth proportional to 66,269.10, 99,208.35 and 43,738.22 is: 65,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269.10 : 99,208.35 = 43,738.22 : x
  2. Step 2: Convert to fraction form
    66,269.10/99,208.35 = 43,738.22/x
  3. Step 3: Cross multiply
    66,269.10x = 99,208.35 × 43,738.22
  4. Step 4: Simplify right side
    66,269.10x = 4,339,196,142.10
  5. Step 5: Solve for x
    x = 4,339,196,142.10/66,269.10
  6. Step 6: Final answer
    x = 65,478.42

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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.