Home / 96,768.20-145,152.31-30,214.03

Finding the Fourth Proportional to 96,768.20, 145,152.31 and 30,214.03

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Solution

The fourth proportional to 96,768.20, 145,152.31 and 30,214.03 is: 45,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768.20 : 145,152.31 = 30,214.03 : x
  2. Step 2: Convert to fraction form
    96,768.20/145,152.31 = 30,214.03/x
  3. Step 3: Cross multiply
    96,768.20x = 145,152.31 × 30,214.03
  4. Step 4: Simplify right side
    96,768.20x = 4,385,635,886.03
  5. Step 5: Solve for x
    x = 4,385,635,886.03/96,768.20
  6. Step 6: Final answer
    x = 45,321.04

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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.