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Finding the Fourth Proportional to 93,751.02, 140,626.26 and 38,347.02

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Solution

The fourth proportional to 93,751.02, 140,626.26 and 38,347.02 is: 57,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,751.02 : 140,626.26 = 38,347.02 : x
  2. Step 2: Convert to fraction form
    93,751.02/140,626.26 = 38,347.02/x
  3. Step 3: Cross multiply
    93,751.02x = 140,626.26 × 38,347.02
  4. Step 4: Simplify right side
    93,751.02x = 5,392,598,004.75
  5. Step 5: Solve for x
    x = 5,392,598,004.75/93,751.02
  6. Step 6: Final answer
    x = 57,520.42

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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.