Home / 51,125.70-76,800.36-36,429.06

Finding the Fourth Proportional to 51,125.70, 76,800.36 and 36,429.06

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Solution

The fourth proportional to 51,125.70, 76,800.36 and 36,429.06 is: 54,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,125.70 : 76,800.36 = 36,429.06 : x
  2. Step 2: Convert to fraction form
    51,125.70/76,800.36 = 36,429.06/x
  3. Step 3: Cross multiply
    51,125.70x = 76,800.36 × 36,429.06
  4. Step 4: Simplify right side
    51,125.70x = 2,797,764,922.46
  5. Step 5: Solve for x
    x = 2,797,764,922.46/51,125.70
  6. Step 6: Final answer
    x = 54,723.26

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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.