Home / 79,868.58-119,831.09-35,491.29

Finding the Fourth Proportional to 79,868.58, 119,831.09 and 35,491.29

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Solution

The fourth proportional to 79,868.58, 119,831.09 and 35,491.29 is: 53,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,868.58 : 119,831.09 = 35,491.29 : x
  2. Step 2: Convert to fraction form
    79,868.58/119,831.09 = 35,491.29/x
  3. Step 3: Cross multiply
    79,868.58x = 119,831.09 × 35,491.29
  4. Step 4: Simplify right side
    79,868.58x = 4,252,959,788.75
  5. Step 5: Solve for x
    x = 4,252,959,788.75/79,868.58
  6. Step 6: Final answer
    x = 53,249.47

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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.