Home / 97,789.32-146,682.78-31,228.62

Finding the Fourth Proportional to 97,789.32, 146,682.78 and 31,228.62

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Solution

The fourth proportional to 97,789.32, 146,682.78 and 31,228.62 is: 46,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.32 : 146,682.78 = 31,228.62 : x
  2. Step 2: Convert to fraction form
    97,789.32/146,682.78 = 31,228.62/x
  3. Step 3: Cross multiply
    97,789.32x = 146,682.78 × 31,228.62
  4. Step 4: Simplify right side
    97,789.32x = 4,580,700,797.16
  5. Step 5: Solve for x
    x = 4,580,700,797.16/97,789.32
  6. Step 6: Final answer
    x = 46,842.55

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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.