Home / 103,780.03-155,691.93-33,653.89

Finding the Fourth Proportional to 103,780.03, 155,691.93 and 33,653.89

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Solution

The fourth proportional to 103,780.03, 155,691.93 and 33,653.89 is: 50,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,780.03 : 155,691.93 = 33,653.89 : x
  2. Step 2: Convert to fraction form
    103,780.03/155,691.93 = 33,653.89/x
  3. Step 3: Cross multiply
    103,780.03x = 155,691.93 × 33,653.89
  4. Step 4: Simplify right side
    103,780.03x = 5,239,639,086.11
  5. Step 5: Solve for x
    x = 5,239,639,086.11/103,780.03
  6. Step 6: Final answer
    x = 50,487.93

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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.