Home / 45,839.06-68,758.64-12,559.41

Finding the Fourth Proportional to 45,839.06, 68,758.64 and 12,559.41

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Solution

The fourth proportional to 45,839.06, 68,758.64 and 12,559.41 is: 18,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,839.06 : 68,758.64 = 12,559.41 : x
  2. Step 2: Convert to fraction form
    45,839.06/68,758.64 = 12,559.41/x
  3. Step 3: Cross multiply
    45,839.06x = 68,758.64 × 12,559.41
  4. Step 4: Simplify right side
    45,839.06x = 863,567,950.80
  5. Step 5: Solve for x
    x = 863,567,950.80/45,839.06
  6. Step 6: Final answer
    x = 18,839.13

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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.