Home / 49,552.55-74,328.18-12,112.95

Finding the Fourth Proportional to 49,552.55, 74,328.18 and 12,112.95

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Solution

The fourth proportional to 49,552.55, 74,328.18 and 12,112.95 is: 18,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,552.55 : 74,328.18 = 12,112.95 : x
  2. Step 2: Convert to fraction form
    49,552.55/74,328.18 = 12,112.95/x
  3. Step 3: Cross multiply
    49,552.55x = 74,328.18 × 12,112.95
  4. Step 4: Simplify right side
    49,552.55x = 900,333,836.94
  5. Step 5: Solve for x
    x = 900,333,836.94/49,552.55
  6. Step 6: Final answer
    x = 18,169.27

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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.