Home / 97,742.52-146,610.90-27,620.64

Finding the Fourth Proportional to 97,742.52, 146,610.90 and 27,620.64

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Solution

The fourth proportional to 97,742.52, 146,610.90 and 27,620.64 is: 41,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,742.52 : 146,610.90 = 27,620.64 : x
  2. Step 2: Convert to fraction form
    97,742.52/146,610.90 = 27,620.64/x
  3. Step 3: Cross multiply
    97,742.52x = 146,610.90 × 27,620.64
  4. Step 4: Simplify right side
    97,742.52x = 4,049,486,888.98
  5. Step 5: Solve for x
    x = 4,049,486,888.98/97,742.52
  6. Step 6: Final answer
    x = 41,430.15

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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.