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Finding the Fourth Proportional to 93,362.18, 140,105.54 and 48,424.96

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Solution

The fourth proportional to 93,362.18, 140,105.54 and 48,424.96 is: 72,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,362.18 : 140,105.54 = 48,424.96 : x
  2. Step 2: Convert to fraction form
    93,362.18/140,105.54 = 48,424.96/x
  3. Step 3: Cross multiply
    93,362.18x = 140,105.54 × 48,424.96
  4. Step 4: Simplify right side
    93,362.18x = 6,784,604,941.08
  5. Step 5: Solve for x
    x = 6,784,604,941.08/93,362.18
  6. Step 6: Final answer
    x = 72,669.73

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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.