Home / 45,815.09-68,722.64-22,425.13

Finding the Fourth Proportional to 45,815.09, 68,722.64 and 22,425.13

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Solution

The fourth proportional to 45,815.09, 68,722.64 and 22,425.13 is: 33,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.09 : 68,722.64 = 22,425.13 : x
  2. Step 2: Convert to fraction form
    45,815.09/68,722.64 = 22,425.13/x
  3. Step 3: Cross multiply
    45,815.09x = 68,722.64 × 22,425.13
  4. Step 4: Simplify right side
    45,815.09x = 1,541,114,135.94
  5. Step 5: Solve for x
    x = 1,541,114,135.94/45,815.09
  6. Step 6: Final answer
    x = 33,637.70

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Similar ratio
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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.