Home / 65,288.78-89,958.75-44,030.78

Finding the Fourth Proportional to 65,288.78, 89,958.75 and 44,030.78

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Solution

The fourth proportional to 65,288.78, 89,958.75 and 44,030.78 is: 60,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,288.78 : 89,958.75 = 44,030.78 : x
  2. Step 2: Convert to fraction form
    65,288.78/89,958.75 = 44,030.78/x
  3. Step 3: Cross multiply
    65,288.78x = 89,958.75 × 44,030.78
  4. Step 4: Simplify right side
    65,288.78x = 3,960,953,930.33
  5. Step 5: Solve for x
    x = 3,960,953,930.33/65,288.78
  6. Step 6: Final answer
    x = 60,668.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.