Home / 45,846.29-68,762.05-12,558.57

Finding the Fourth Proportional to 45,846.29, 68,762.05 and 12,558.57

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Solution

The fourth proportional to 45,846.29, 68,762.05 and 12,558.57 is: 18,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,846.29 : 68,762.05 = 12,558.57 : x
  2. Step 2: Convert to fraction form
    45,846.29/68,762.05 = 12,558.57/x
  3. Step 3: Cross multiply
    45,846.29x = 68,762.05 × 12,558.57
  4. Step 4: Simplify right side
    45,846.29x = 863,553,033.97
  5. Step 5: Solve for x
    x = 863,553,033.97/45,846.29
  6. Step 6: Final answer
    x = 18,835.83

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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.