Home / 97,475.10-146,385.45-75,342.30

Finding the Fourth Proportional to 97,475.10, 146,385.45 and 75,342.30

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Solution

The fourth proportional to 97,475.10, 146,385.45 and 75,342.30 is: 113,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,475.10 : 146,385.45 = 75,342.30 : x
  2. Step 2: Convert to fraction form
    97,475.10/146,385.45 = 75,342.30/x
  3. Step 3: Cross multiply
    97,475.10x = 146,385.45 × 75,342.30
  4. Step 4: Simplify right side
    97,475.10x = 11,029,016,489.54
  5. Step 5: Solve for x
    x = 11,029,016,489.54/97,475.10
  6. Step 6: Final answer
    x = 113,147.01

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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.