Home / 66,112.96-91,274.04-50,169.52

Finding the Fourth Proportional to 66,112.96, 91,274.04 and 50,169.52

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Solution

The fourth proportional to 66,112.96, 91,274.04 and 50,169.52 is: 69,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112.96 : 91,274.04 = 50,169.52 : x
  2. Step 2: Convert to fraction form
    66,112.96/91,274.04 = 50,169.52/x
  3. Step 3: Cross multiply
    66,112.96x = 91,274.04 × 50,169.52
  4. Step 4: Simplify right side
    66,112.96x = 4,579,174,775.26
  5. Step 5: Solve for x
    x = 4,579,174,775.26/66,112.96
  6. Step 6: Final answer
    x = 69,262.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.