Home / 91,271.03-125,947.71-50,433.39

Finding the Fourth Proportional to 91,271.03, 125,947.71 and 50,433.39

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Solution

The fourth proportional to 91,271.03, 125,947.71 and 50,433.39 is: 69,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,271.03 : 125,947.71 = 50,433.39 : x
  2. Step 2: Convert to fraction form
    91,271.03/125,947.71 = 50,433.39/x
  3. Step 3: Cross multiply
    91,271.03x = 125,947.71 × 50,433.39
  4. Step 4: Simplify right side
    91,271.03x = 6,351,969,978.04
  5. Step 5: Solve for x
    x = 6,351,969,978.04/91,271.03
  6. Step 6: Final answer
    x = 69,594.59

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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.