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Finding the Fourth Proportional to 93,612.58, 140,474.36 and 34,489.74

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Solution

The fourth proportional to 93,612.58, 140,474.36 and 34,489.74 is: 51,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,612.58 : 140,474.36 = 34,489.74 : x
  2. Step 2: Convert to fraction form
    93,612.58/140,474.36 = 34,489.74/x
  3. Step 3: Cross multiply
    93,612.58x = 140,474.36 × 34,489.74
  4. Step 4: Simplify right side
    93,612.58x = 4,844,924,153.07
  5. Step 5: Solve for x
    x = 4,844,924,153.07/93,612.58
  6. Step 6: Final answer
    x = 51,755.05

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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.