Home / 45,865.84-68,798.46-12,583.30

Finding the Fourth Proportional to 45,865.84, 68,798.46 and 12,583.30

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Solution

The fourth proportional to 45,865.84, 68,798.46 and 12,583.30 is: 18,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,865.84 : 68,798.46 = 12,583.30 : x
  2. Step 2: Convert to fraction form
    45,865.84/68,798.46 = 12,583.30/x
  3. Step 3: Cross multiply
    45,865.84x = 68,798.46 × 12,583.30
  4. Step 4: Simplify right side
    45,865.84x = 865,711,661.72
  5. Step 5: Solve for x
    x = 865,711,661.72/45,865.84
  6. Step 6: Final answer
    x = 18,874.87

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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.