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Finding the Fourth Proportional to 93,358.44, 140,099.93 and 48,421.22

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Solution

The fourth proportional to 93,358.44, 140,099.93 and 48,421.22 is: 72,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,358.44 : 140,099.93 = 48,421.22 : x
  2. Step 2: Convert to fraction form
    93,358.44/140,099.93 = 48,421.22/x
  3. Step 3: Cross multiply
    93,358.44x = 140,099.93 × 48,421.22
  4. Step 4: Simplify right side
    93,358.44x = 6,783,808,589.91
  5. Step 5: Solve for x
    x = 6,783,808,589.91/93,358.44
  6. Step 6: Final answer
    x = 72,664.12

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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.