Home / 69,513.20-104,269.80-43,204.40

Finding the Fourth Proportional to 69,513.20, 104,269.80 and 43,204.40

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Solution

The fourth proportional to 69,513.20, 104,269.80 and 43,204.40 is: 64,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,513.20 : 104,269.80 = 43,204.40 : x
  2. Step 2: Convert to fraction form
    69,513.20/104,269.80 = 43,204.40/x
  3. Step 3: Cross multiply
    69,513.20x = 104,269.80 × 43,204.40
  4. Step 4: Simplify right side
    69,513.20x = 4,504,914,147.12
  5. Step 5: Solve for x
    x = 4,504,914,147.12/69,513.20
  6. Step 6: Final answer
    x = 64,806.60

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1.5x scale

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.