Home / 93,468.42-128,971.20-55,222.68

Finding the Fourth Proportional to 93,468.42, 128,971.20 and 55,222.68

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Solution

The fourth proportional to 93,468.42, 128,971.20 and 55,222.68 is: 76,198.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,468.42 : 128,971.20 = 55,222.68 : x
  2. Step 2: Convert to fraction form
    93,468.42/128,971.20 = 55,222.68/x
  3. Step 3: Cross multiply
    93,468.42x = 128,971.20 × 55,222.68
  4. Step 4: Simplify right side
    93,468.42x = 7,122,135,306.82
  5. Step 5: Solve for x
    x = 7,122,135,306.82/93,468.42
  6. Step 6: Final answer
    x = 76,198.31

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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.