Home / 91,265.75-125,945.37-50,980.10

Finding the Fourth Proportional to 91,265.75, 125,945.37 and 50,980.10

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Solution

The fourth proportional to 91,265.75, 125,945.37 and 50,980.10 is: 70,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,265.75 : 125,945.37 = 50,980.10 : x
  2. Step 2: Convert to fraction form
    91,265.75/125,945.37 = 50,980.10/x
  3. Step 3: Cross multiply
    91,265.75x = 125,945.37 × 50,980.10
  4. Step 4: Simplify right side
    91,265.75x = 6,420,706,927.41
  5. Step 5: Solve for x
    x = 6,420,706,927.41/91,265.75
  6. Step 6: Final answer
    x = 70,351.77

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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.