Home / 93,179.35-128,583.99-56,941.39

Finding the Fourth Proportional to 93,179.35, 128,583.99 and 56,941.39

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Solution

The fourth proportional to 93,179.35, 128,583.99 and 56,941.39 is: 78,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,179.35 : 128,583.99 = 56,941.39 : x
  2. Step 2: Convert to fraction form
    93,179.35/128,583.99 = 56,941.39/x
  3. Step 3: Cross multiply
    93,179.35x = 128,583.99 × 56,941.39
  4. Step 4: Simplify right side
    93,179.35x = 7,321,751,122.35
  5. Step 5: Solve for x
    x = 7,321,751,122.35/93,179.35
  6. Step 6: Final answer
    x = 78,576.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.