Home / 51,126.12-76,990.59-44,628.84

Finding the Fourth Proportional to 51,126.12, 76,990.59 and 44,628.84

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Solution

The fourth proportional to 51,126.12, 76,990.59 and 44,628.84 is: 67,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.12 : 76,990.59 = 44,628.84 : x
  2. Step 2: Convert to fraction form
    51,126.12/76,990.59 = 44,628.84/x
  3. Step 3: Cross multiply
    51,126.12x = 76,990.59 × 44,628.84
  4. Step 4: Simplify right side
    51,126.12x = 3,436,000,722.62
  5. Step 5: Solve for x
    x = 3,436,000,722.62/51,126.12
  6. Step 6: Final answer
    x = 67,206.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.