Home / 107,068.68-160,604.87-28,179.95

Finding the Fourth Proportional to 107,068.68, 160,604.87 and 28,179.95

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Solution

The fourth proportional to 107,068.68, 160,604.87 and 28,179.95 is: 42,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,068.68 : 160,604.87 = 28,179.95 : x
  2. Step 2: Convert to fraction form
    107,068.68/160,604.87 = 28,179.95/x
  3. Step 3: Cross multiply
    107,068.68x = 160,604.87 × 28,179.95
  4. Step 4: Simplify right side
    107,068.68x = 4,525,836,262.43
  5. Step 5: Solve for x
    x = 4,525,836,262.43/107,068.68
  6. Step 6: Final answer
    x = 42,270.40

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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.