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Finding the Fourth Proportional to 93,126.81, 139,711.04 and 33,962.48

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Solution

The fourth proportional to 93,126.81, 139,711.04 and 33,962.48 is: 50,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,126.81 : 139,711.04 = 33,962.48 : x
  2. Step 2: Convert to fraction form
    93,126.81/139,711.04 = 33,962.48/x
  3. Step 3: Cross multiply
    93,126.81x = 139,711.04 × 33,962.48
  4. Step 4: Simplify right side
    93,126.81x = 4,744,932,533.41
  5. Step 5: Solve for x
    x = 4,744,932,533.41/93,126.81
  6. Step 6: Final answer
    x = 50,951.31

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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.