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Finding the Fourth Proportional to 93,059.17, 139,520.70 and 29,843.31

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Solution

The fourth proportional to 93,059.17, 139,520.70 and 29,843.31 is: 44,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,059.17 : 139,520.70 = 29,843.31 : x
  2. Step 2: Convert to fraction form
    93,059.17/139,520.70 = 29,843.31/x
  3. Step 3: Cross multiply
    93,059.17x = 139,520.70 × 29,843.31
  4. Step 4: Simplify right side
    93,059.17x = 4,163,759,001.75
  5. Step 5: Solve for x
    x = 4,163,759,001.75/93,059.17
  6. Step 6: Final answer
    x = 44,743.14

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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.