Home / 93,431.18-140,112.38-73,479.66

Finding the Fourth Proportional to 93,431.18, 140,112.38 and 73,479.66

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Solution

The fourth proportional to 93,431.18, 140,112.38 and 73,479.66 is: 110,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431.18 : 140,112.38 = 73,479.66 : x
  2. Step 2: Convert to fraction form
    93,431.18/140,112.38 = 73,479.66/x
  3. Step 3: Cross multiply
    93,431.18x = 140,112.38 × 73,479.66
  4. Step 4: Simplify right side
    93,431.18x = 10,295,410,044.19
  5. Step 5: Solve for x
    x = 10,295,410,044.19/93,431.18
  6. Step 6: Final answer
    x = 110,192.44

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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.