Home / 96,975.33-145,462.92-30,420.60

Finding the Fourth Proportional to 96,975.33, 145,462.92 and 30,420.60

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Solution

The fourth proportional to 96,975.33, 145,462.92 and 30,420.60 is: 45,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,975.33 : 145,462.92 = 30,420.60 : x
  2. Step 2: Convert to fraction form
    96,975.33/145,462.92 = 30,420.60/x
  3. Step 3: Cross multiply
    96,975.33x = 145,462.92 × 30,420.60
  4. Step 4: Simplify right side
    96,975.33x = 4,425,069,304.15
  5. Step 5: Solve for x
    x = 4,425,069,304.15/96,975.33
  6. Step 6: Final answer
    x = 45,630.88

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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.