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Finding the Fourth Proportional to 80,408.48, 110,963.60 and 44,603.92

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Solution

The fourth proportional to 80,408.48, 110,963.60 and 44,603.92 is: 61,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,408.48 : 110,963.60 = 44,603.92 : x
  2. Step 2: Convert to fraction form
    80,408.48/110,963.60 = 44,603.92/x
  3. Step 3: Cross multiply
    80,408.48x = 110,963.60 × 44,603.92
  4. Step 4: Simplify right side
    80,408.48x = 4,949,411,537.31
  5. Step 5: Solve for x
    x = 4,949,411,537.31/80,408.48
  6. Step 6: Final answer
    x = 61,553.35

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1.5x scale

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.