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Finding the Fourth Proportional to 93,636.72, 140,469.09 and 34,467.90

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Solution

The fourth proportional to 93,636.72, 140,469.09 and 34,467.90 is: 51,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,636.72 : 140,469.09 = 34,467.90 : x
  2. Step 2: Convert to fraction form
    93,636.72/140,469.09 = 34,467.90/x
  3. Step 3: Cross multiply
    93,636.72x = 140,469.09 × 34,467.90
  4. Step 4: Simplify right side
    93,636.72x = 4,841,674,547.21
  5. Step 5: Solve for x
    x = 4,841,674,547.21/93,636.72
  6. Step 6: Final answer
    x = 51,707.01

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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.