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Finding the Fourth Proportional to 93,355.68, 140,095.80 and 48,418.47

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Solution

The fourth proportional to 93,355.68, 140,095.80 and 48,418.47 is: 72,660.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,355.68 : 140,095.80 = 48,418.47 : x
  2. Step 2: Convert to fraction form
    93,355.68/140,095.80 = 48,418.47/x
  3. Step 3: Cross multiply
    93,355.68x = 140,095.80 × 48,418.47
  4. Step 4: Simplify right side
    93,355.68x = 6,783,224,289.43
  5. Step 5: Solve for x
    x = 6,783,224,289.43/93,355.68
  6. Step 6: Final answer
    x = 72,660.01

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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.