Home / 51,505.12-77,257.68-33,153.76

Finding the Fourth Proportional to 51,505.12, 77,257.68 and 33,153.76

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Solution

The fourth proportional to 51,505.12, 77,257.68 and 33,153.76 is: 49,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.12 : 77,257.68 = 33,153.76 : x
  2. Step 2: Convert to fraction form
    51,505.12/77,257.68 = 33,153.76/x
  3. Step 3: Cross multiply
    51,505.12x = 77,257.68 × 33,153.76
  4. Step 4: Simplify right side
    51,505.12x = 2,561,382,580.88
  5. Step 5: Solve for x
    x = 2,561,382,580.88/51,505.12
  6. Step 6: Final answer
    x = 49,730.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.