Home / 90,782.22-125,281.79-49,947.33

Finding the Fourth Proportional to 90,782.22, 125,281.79 and 49,947.33

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Solution

The fourth proportional to 90,782.22, 125,281.79 and 49,947.33 is: 68,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,782.22 : 125,281.79 = 49,947.33 : x
  2. Step 2: Convert to fraction form
    90,782.22/125,281.79 = 49,947.33/x
  3. Step 3: Cross multiply
    90,782.22x = 125,281.79 × 49,947.33
  4. Step 4: Simplify right side
    90,782.22x = 6,257,491,315.49
  5. Step 5: Solve for x
    x = 6,257,491,315.49/90,782.22
  6. Step 6: Final answer
    x = 68,928.60

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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.