Home / 74,414.14-102,718.47-49,271.74

Finding the Fourth Proportional to 74,414.14, 102,718.47 and 49,271.74

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Solution

The fourth proportional to 74,414.14, 102,718.47 and 49,271.74 is: 68,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,414.14 : 102,718.47 = 49,271.74 : x
  2. Step 2: Convert to fraction form
    74,414.14/102,718.47 = 49,271.74/x
  3. Step 3: Cross multiply
    74,414.14x = 102,718.47 × 49,271.74
  4. Step 4: Simplify right side
    74,414.14x = 5,061,117,747.04
  5. Step 5: Solve for x
    x = 5,061,117,747.04/74,414.14
  6. Step 6: Final answer
    x = 68,012.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.