Home / 91,828.34-126,713.37-51,546.53

Finding the Fourth Proportional to 91,828.34, 126,713.37 and 51,546.53

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Solution

The fourth proportional to 91,828.34, 126,713.37 and 51,546.53 is: 71,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,828.34 : 126,713.37 = 51,546.53 : x
  2. Step 2: Convert to fraction form
    91,828.34/126,713.37 = 51,546.53/x
  3. Step 3: Cross multiply
    91,828.34x = 126,713.37 × 51,546.53
  4. Step 4: Simplify right side
    91,828.34x = 6,531,634,270.37
  5. Step 5: Solve for x
    x = 6,531,634,270.37/91,828.34
  6. Step 6: Final answer
    x = 71,128.75

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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.