Home / 91,828.21-126,713.20-51,546.41

Finding the Fourth Proportional to 91,828.21, 126,713.20 and 51,546.41

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Solution

The fourth proportional to 91,828.21, 126,713.20 and 51,546.41 is: 71,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,828.21 : 126,713.20 = 51,546.41 : x
  2. Step 2: Convert to fraction form
    91,828.21/126,713.20 = 51,546.41/x
  3. Step 3: Cross multiply
    91,828.21x = 126,713.20 × 51,546.41
  4. Step 4: Simplify right side
    91,828.21x = 6,531,609,668.31
  5. Step 5: Solve for x
    x = 6,531,609,668.31/91,828.21
  6. Step 6: Final answer
    x = 71,128.57

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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.