Home / 61,769.72-85,182.84-50,976.88

Finding the Fourth Proportional to 61,769.72, 85,182.84 and 50,976.88

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Solution

The fourth proportional to 61,769.72, 85,182.84 and 50,976.88 is: 70,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,769.72 : 85,182.84 = 50,976.88 : x
  2. Step 2: Convert to fraction form
    61,769.72/85,182.84 = 50,976.88/x
  3. Step 3: Cross multiply
    61,769.72x = 85,182.84 × 50,976.88
  4. Step 4: Simplify right side
    61,769.72x = 4,342,355,199.78
  5. Step 5: Solve for x
    x = 4,342,355,199.78/61,769.72
  6. Step 6: Final answer
    x = 70,299.09

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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.