Home / 90,955.79-125,519.82-50,669.43

Finding the Fourth Proportional to 90,955.79, 125,519.82 and 50,669.43

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Solution

The fourth proportional to 90,955.79, 125,519.82 and 50,669.43 is: 69,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,955.79 : 125,519.82 = 50,669.43 : x
  2. Step 2: Convert to fraction form
    90,955.79/125,519.82 = 50,669.43/x
  3. Step 3: Cross multiply
    90,955.79x = 125,519.82 × 50,669.43
  4. Step 4: Simplify right side
    90,955.79x = 6,360,017,072.39
  5. Step 5: Solve for x
    x = 6,360,017,072.39/90,955.79
  6. Step 6: Final answer
    x = 69,924.27

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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.