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Finding the Fourth Proportional to 93,673.86, 140,501.67 and 51,540.09

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Solution

The fourth proportional to 93,673.86, 140,501.67 and 51,540.09 is: 77,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,673.86 : 140,501.67 = 51,540.09 : x
  2. Step 2: Convert to fraction form
    93,673.86/140,501.67 = 51,540.09/x
  3. Step 3: Cross multiply
    93,673.86x = 140,501.67 × 51,540.09
  4. Step 4: Simplify right side
    93,673.86x = 7,241,468,716.95
  5. Step 5: Solve for x
    x = 7,241,468,716.95/93,673.86
  6. Step 6: Final answer
    x = 77,305.12

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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.