Home / 102,408.78-153,682.83-62,845.14

Finding the Fourth Proportional to 102,408.78, 153,682.83 and 62,845.14

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Solution

The fourth proportional to 102,408.78, 153,682.83 and 62,845.14 is: 94,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,408.78 : 153,682.83 = 62,845.14 : x
  2. Step 2: Convert to fraction form
    102,408.78/153,682.83 = 62,845.14/x
  3. Step 3: Cross multiply
    102,408.78x = 153,682.83 × 62,845.14
  4. Step 4: Simplify right side
    102,408.78x = 9,658,218,966.95
  5. Step 5: Solve for x
    x = 9,658,218,966.95/102,408.78
  6. Step 6: Final answer
    x = 94,310.46

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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.