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Finding the Fourth Proportional to 93,630.11, 140,424.24 and 27,055.40

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Solution

The fourth proportional to 93,630.11, 140,424.24 and 27,055.40 is: 40,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,630.11 : 140,424.24 = 27,055.40 : x
  2. Step 2: Convert to fraction form
    93,630.11/140,424.24 = 27,055.40/x
  3. Step 3: Cross multiply
    93,630.11x = 140,424.24 × 27,055.40
  4. Step 4: Simplify right side
    93,630.11x = 3,799,233,982.90
  5. Step 5: Solve for x
    x = 3,799,233,982.90/93,630.11
  6. Step 6: Final answer
    x = 40,577.05

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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.