Home / 91,205.49-125,858.29-50,921.79

Finding the Fourth Proportional to 91,205.49, 125,858.29 and 50,921.79

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Solution

The fourth proportional to 91,205.49, 125,858.29 and 50,921.79 is: 70,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,205.49 : 125,858.29 = 50,921.79 : x
  2. Step 2: Convert to fraction form
    91,205.49/125,858.29 = 50,921.79/x
  3. Step 3: Cross multiply
    91,205.49x = 125,858.29 × 50,921.79
  4. Step 4: Simplify right side
    91,205.49x = 6,408,929,413.14
  5. Step 5: Solve for x
    x = 6,408,929,413.14/91,205.49
  6. Step 6: Final answer
    x = 70,269.12

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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.