Home / 91,825.70-126,725.09-51,542.06

Finding the Fourth Proportional to 91,825.70, 126,725.09 and 51,542.06

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Solution

The fourth proportional to 91,825.70, 126,725.09 and 51,542.06 is: 71,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,825.70 : 126,725.09 = 51,542.06 : x
  2. Step 2: Convert to fraction form
    91,825.70/126,725.09 = 51,542.06/x
  3. Step 3: Cross multiply
    91,825.70x = 126,725.09 × 51,542.06
  4. Step 4: Simplify right side
    91,825.70x = 6,531,671,300.95
  5. Step 5: Solve for x
    x = 6,531,671,300.95/91,825.70
  6. Step 6: Final answer
    x = 71,131.19

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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.