Home / 77,785.14-116,648.58-33,389.04

Finding the Fourth Proportional to 77,785.14, 116,648.58 and 33,389.04

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Solution

The fourth proportional to 77,785.14, 116,648.58 and 33,389.04 is: 50,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,785.14 : 116,648.58 = 33,389.04 : x
  2. Step 2: Convert to fraction form
    77,785.14/116,648.58 = 33,389.04/x
  3. Step 3: Cross multiply
    77,785.14x = 116,648.58 × 33,389.04
  4. Step 4: Simplify right side
    77,785.14x = 3,894,784,103.56
  5. Step 5: Solve for x
    x = 3,894,784,103.56/77,785.14
  6. Step 6: Final answer
    x = 50,071.06

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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.