Home / 96,760.20-145,140.30-73,140.60

Finding the Fourth Proportional to 96,760.20, 145,140.30 and 73,140.60

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Solution

The fourth proportional to 96,760.20, 145,140.30 and 73,140.60 is: 109,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,760.20 : 145,140.30 = 73,140.60 : x
  2. Step 2: Convert to fraction form
    96,760.20/145,140.30 = 73,140.60/x
  3. Step 3: Cross multiply
    96,760.20x = 145,140.30 × 73,140.60
  4. Step 4: Simplify right side
    96,760.20x = 10,615,648,626.18
  5. Step 5: Solve for x
    x = 10,615,648,626.18/96,760.20
  6. Step 6: Final answer
    x = 109,710.90

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1.5x scale

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.