Home / 91,262.07-125,936.46-50,978.34

Finding the Fourth Proportional to 91,262.07, 125,936.46 and 50,978.34

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Solution

The fourth proportional to 91,262.07, 125,936.46 and 50,978.34 is: 70,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,262.07 : 125,936.46 = 50,978.34 : x
  2. Step 2: Convert to fraction form
    91,262.07/125,936.46 = 50,978.34/x
  3. Step 3: Cross multiply
    91,262.07x = 125,936.46 × 50,978.34
  4. Step 4: Simplify right side
    91,262.07x = 6,420,031,676.28
  5. Step 5: Solve for x
    x = 6,420,031,676.28/91,262.07
  6. Step 6: Final answer
    x = 70,347.21

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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.