Home / 51,078.04-76,600.56-18,615.62

Finding the Fourth Proportional to 51,078.04, 76,600.56 and 18,615.62

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Solution

The fourth proportional to 51,078.04, 76,600.56 and 18,615.62 is: 27,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,078.04 : 76,600.56 = 18,615.62 : x
  2. Step 2: Convert to fraction form
    51,078.04/76,600.56 = 18,615.62/x
  3. Step 3: Cross multiply
    51,078.04x = 76,600.56 × 18,615.62
  4. Step 4: Simplify right side
    51,078.04x = 1,425,967,178.06
  5. Step 5: Solve for x
    x = 1,425,967,178.06/51,078.04
  6. Step 6: Final answer
    x = 27,917.42

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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.