Home / 45,859.23-68,783.46-12,582.66

Finding the Fourth Proportional to 45,859.23, 68,783.46 and 12,582.66

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Solution

The fourth proportional to 45,859.23, 68,783.46 and 12,582.66 is: 18,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,859.23 : 68,783.46 = 12,582.66 : x
  2. Step 2: Convert to fraction form
    45,859.23/68,783.46 = 12,582.66/x
  3. Step 3: Cross multiply
    45,859.23x = 68,783.46 × 12,582.66
  4. Step 4: Simplify right side
    45,859.23x = 865,478,890.80
  5. Step 5: Solve for x
    x = 865,478,890.80/45,859.23
  6. Step 6: Final answer
    x = 18,872.51

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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.