Home / 67,736.49-101,567.70-53,786.13

Finding the Fourth Proportional to 67,736.49, 101,567.70 and 53,786.13

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Solution

The fourth proportional to 67,736.49, 101,567.70 and 53,786.13 is: 80,649.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,736.49 : 101,567.70 = 53,786.13 : x
  2. Step 2: Convert to fraction form
    67,736.49/101,567.70 = 53,786.13/x
  3. Step 3: Cross multiply
    67,736.49x = 101,567.70 × 53,786.13
  4. Step 4: Simplify right side
    67,736.49x = 5,462,933,516.00
  5. Step 5: Solve for x
    x = 5,462,933,516.00/67,736.49
  6. Step 6: Final answer
    x = 80,649.79

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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.