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Finding the Fourth Proportional to 50,264.36, 74,845.60 and 48,468.28

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Solution

The fourth proportional to 50,264.36, 74,845.60 and 48,468.28 is: 72,171.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,264.36 : 74,845.60 = 48,468.28 : x
  2. Step 2: Convert to fraction form
    50,264.36/74,845.60 = 48,468.28/x
  3. Step 3: Cross multiply
    50,264.36x = 74,845.60 × 48,468.28
  4. Step 4: Simplify right side
    50,264.36x = 3,627,637,255.23
  5. Step 5: Solve for x
    x = 3,627,637,255.23/50,264.36
  6. Step 6: Final answer
    x = 72,171.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.