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Finding the Fourth Proportional to 93,600.90, 140,459.94 and 37,432.80

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Solution

The fourth proportional to 93,600.90, 140,459.94 and 37,432.80 is: 56,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,600.90 : 140,459.94 = 37,432.80 : x
  2. Step 2: Convert to fraction form
    93,600.90/140,459.94 = 37,432.80/x
  3. Step 3: Cross multiply
    93,600.90x = 140,459.94 × 37,432.80
  4. Step 4: Simplify right side
    93,600.90x = 5,257,808,842.03
  5. Step 5: Solve for x
    x = 5,257,808,842.03/93,600.90
  6. Step 6: Final answer
    x = 56,172.63

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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.