Home / 93,929.40-140,997.78-74,333.88

Finding the Fourth Proportional to 93,929.40, 140,997.78 and 74,333.88

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Solution

The fourth proportional to 93,929.40, 140,997.78 and 74,333.88 is: 111,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,929.40 : 140,997.78 = 74,333.88 : x
  2. Step 2: Convert to fraction form
    93,929.40/140,997.78 = 74,333.88/x
  3. Step 3: Cross multiply
    93,929.40x = 140,997.78 × 74,333.88
  4. Step 4: Simplify right side
    93,929.40x = 10,480,912,058.79
  5. Step 5: Solve for x
    x = 10,480,912,058.79/93,929.40
  6. Step 6: Final answer
    x = 111,582.87

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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.