Home / 96,730.20-145,095.30-73,110.60

Finding the Fourth Proportional to 96,730.20, 145,095.30 and 73,110.60

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Solution

The fourth proportional to 96,730.20, 145,095.30 and 73,110.60 is: 109,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,730.20 : 145,095.30 = 73,110.60 : x
  2. Step 2: Convert to fraction form
    96,730.20/145,095.30 = 73,110.60/x
  3. Step 3: Cross multiply
    96,730.20x = 145,095.30 × 73,110.60
  4. Step 4: Simplify right side
    96,730.20x = 10,608,004,440.18
  5. Step 5: Solve for x
    x = 10,608,004,440.18/96,730.20
  6. Step 6: Final answer
    x = 109,665.90

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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.