Home / 93,724.73-140,587.64-38,320.73

Finding the Fourth Proportional to 93,724.73, 140,587.64 and 38,320.73

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Solution

The fourth proportional to 93,724.73, 140,587.64 and 38,320.73 is: 57,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,724.73 : 140,587.64 = 38,320.73 : x
  2. Step 2: Convert to fraction form
    93,724.73/140,587.64 = 38,320.73/x
  3. Step 3: Cross multiply
    93,724.73x = 140,587.64 × 38,320.73
  4. Step 4: Simplify right side
    93,724.73x = 5,387,420,993.78
  5. Step 5: Solve for x
    x = 5,387,420,993.78/93,724.73
  6. Step 6: Final answer
    x = 57,481.32

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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.