Home / 116,967.15-175,449-28,219.89

Finding the Fourth Proportional to 116,967.15, 175,449 and 28,219.89

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Solution

The fourth proportional to 116,967.15, 175,449 and 28,219.89 is: 42,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,967.15 : 175,449 = 28,219.89 : x
  2. Step 2: Convert to fraction form
    116,967.15/175,449 = 28,219.89/x
  3. Step 3: Cross multiply
    116,967.15x = 175,449 × 28,219.89
  4. Step 4: Simplify right side
    116,967.15x = 4,951,151,480.61
  5. Step 5: Solve for x
    x = 4,951,151,480.61/116,967.15
  6. Step 6: Final answer
    x = 42,329.42

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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.