Home / 45,665.07-68,504.13-14,077.80

Finding the Fourth Proportional to 45,665.07, 68,504.13 and 14,077.80

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Solution

The fourth proportional to 45,665.07, 68,504.13 and 14,077.80 is: 21,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665.07 : 68,504.13 = 14,077.80 : x
  2. Step 2: Convert to fraction form
    45,665.07/68,504.13 = 14,077.80/x
  3. Step 3: Cross multiply
    45,665.07x = 68,504.13 × 14,077.80
  4. Step 4: Simplify right side
    45,665.07x = 964,387,441.31
  5. Step 5: Solve for x
    x = 964,387,441.31/45,665.07
  6. Step 6: Final answer
    x = 21,118.71

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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.