Home / 77,143.13-106,414.64-44,874.11

Finding the Fourth Proportional to 77,143.13, 106,414.64 and 44,874.11

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Solution

The fourth proportional to 77,143.13, 106,414.64 and 44,874.11 is: 61,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,143.13 : 106,414.64 = 44,874.11 : x
  2. Step 2: Convert to fraction form
    77,143.13/106,414.64 = 44,874.11/x
  3. Step 3: Cross multiply
    77,143.13x = 106,414.64 × 44,874.11
  4. Step 4: Simplify right side
    77,143.13x = 4,775,262,872.98
  5. Step 5: Solve for x
    x = 4,775,262,872.98/77,143.13
  6. Step 6: Final answer
    x = 61,901.34

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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.