Home / 45,874.49-68,799.25-12,586.67

Finding the Fourth Proportional to 45,874.49, 68,799.25 and 12,586.67

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Solution

The fourth proportional to 45,874.49, 68,799.25 and 12,586.67 is: 18,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,874.49 : 68,799.25 = 12,586.67 : x
  2. Step 2: Convert to fraction form
    45,874.49/68,799.25 = 12,586.67/x
  3. Step 3: Cross multiply
    45,874.49x = 68,799.25 × 12,586.67
  4. Step 4: Simplify right side
    45,874.49x = 865,953,080.53
  5. Step 5: Solve for x
    x = 865,953,080.53/45,874.49
  6. Step 6: Final answer
    x = 18,876.57

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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.