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Finding the Fourth Proportional to 68,464.92, 94,477.02 and 38,655

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Solution

The fourth proportional to 68,464.92, 94,477.02 and 38,655 is: 53,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,464.92 : 94,477.02 = 38,655 : x
  2. Step 2: Convert to fraction form
    68,464.92/94,477.02 = 38,655/x
  3. Step 3: Cross multiply
    68,464.92x = 94,477.02 × 38,655
  4. Step 4: Simplify right side
    68,464.92x = 3,652,009,208.10
  5. Step 5: Solve for x
    x = 3,652,009,208.10/68,464.92
  6. Step 6: Final answer
    x = 53,341.32

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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.