Home / 103,785.06-155,699.40-33,658.86

Finding the Fourth Proportional to 103,785.06, 155,699.40 and 33,658.86

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Solution

The fourth proportional to 103,785.06, 155,699.40 and 33,658.86 is: 50,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,785.06 : 155,699.40 = 33,658.86 : x
  2. Step 2: Convert to fraction form
    103,785.06/155,699.40 = 33,658.86/x
  3. Step 3: Cross multiply
    103,785.06x = 155,699.40 × 33,658.86
  4. Step 4: Simplify right side
    103,785.06x = 5,240,664,306.68
  5. Step 5: Solve for x
    x = 5,240,664,306.68/103,785.06
  6. Step 6: Final answer
    x = 50,495.36

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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.