Home / 45,356.68-68,044.72-19,047.88

Finding the Fourth Proportional to 45,356.68, 68,044.72 and 19,047.88

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Solution

The fourth proportional to 45,356.68, 68,044.72 and 19,047.88 is: 28,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356.68 : 68,044.72 = 19,047.88 : x
  2. Step 2: Convert to fraction form
    45,356.68/68,044.72 = 19,047.88/x
  3. Step 3: Cross multiply
    45,356.68x = 68,044.72 × 19,047.88
  4. Step 4: Simplify right side
    45,356.68x = 1,296,107,661.19
  5. Step 5: Solve for x
    x = 1,296,107,661.19/45,356.68
  6. Step 6: Final answer
    x = 28,575.89

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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.