Home / 45,866.08-68,799.22-12,586.60

Finding the Fourth Proportional to 45,866.08, 68,799.22 and 12,586.60

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Solution

The fourth proportional to 45,866.08, 68,799.22 and 12,586.60 is: 18,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,866.08 : 68,799.22 = 12,586.60 : x
  2. Step 2: Convert to fraction form
    45,866.08/68,799.22 = 12,586.60/x
  3. Step 3: Cross multiply
    45,866.08x = 68,799.22 × 12,586.60
  4. Step 4: Simplify right side
    45,866.08x = 865,948,262.45
  5. Step 5: Solve for x
    x = 865,948,262.45/45,866.08
  6. Step 6: Final answer
    x = 18,879.93

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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.