Home / 74,418.43-102,638.04-48,950.95

Finding the Fourth Proportional to 74,418.43, 102,638.04 and 48,950.95

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Solution

The fourth proportional to 74,418.43, 102,638.04 and 48,950.95 is: 67,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,418.43 : 102,638.04 = 48,950.95 : x
  2. Step 2: Convert to fraction form
    74,418.43/102,638.04 = 48,950.95/x
  3. Step 3: Cross multiply
    74,418.43x = 102,638.04 × 48,950.95
  4. Step 4: Simplify right side
    74,418.43x = 5,024,229,564.14
  5. Step 5: Solve for x
    x = 5,024,229,564.14/74,418.43
  6. Step 6: Final answer
    x = 67,513.24

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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.