Home / 79,928.92-110,282.58-51,235.48

Finding the Fourth Proportional to 79,928.92, 110,282.58 and 51,235.48

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Solution

The fourth proportional to 79,928.92, 110,282.58 and 51,235.48 is: 70,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,928.92 : 110,282.58 = 51,235.48 : x
  2. Step 2: Convert to fraction form
    79,928.92/110,282.58 = 51,235.48/x
  3. Step 3: Cross multiply
    79,928.92x = 110,282.58 × 51,235.48
  4. Step 4: Simplify right side
    79,928.92x = 5,650,380,921.94
  5. Step 5: Solve for x
    x = 5,650,380,921.94/79,928.92
  6. Step 6: Final answer
    x = 70,692.57

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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.