Home / 51,118.57-76,575.75-40,606.39

Finding the Fourth Proportional to 51,118.57, 76,575.75 and 40,606.39

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Solution

The fourth proportional to 51,118.57, 76,575.75 and 40,606.39 is: 60,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.57 : 76,575.75 = 40,606.39 : x
  2. Step 2: Convert to fraction form
    51,118.57/76,575.75 = 40,606.39/x
  3. Step 3: Cross multiply
    51,118.57x = 76,575.75 × 40,606.39
  4. Step 4: Simplify right side
    51,118.57x = 3,109,464,769.04
  5. Step 5: Solve for x
    x = 3,109,464,769.04/51,118.57
  6. Step 6: Final answer
    x = 60,828.48

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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.