Home / 107,660.58-161,527.09-47,680.74

Finding the Fourth Proportional to 107,660.58, 161,527.09 and 47,680.74

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Solution

The fourth proportional to 107,660.58, 161,527.09 and 47,680.74 is: 71,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,660.58 : 161,527.09 = 47,680.74 : x
  2. Step 2: Convert to fraction form
    107,660.58/161,527.09 = 47,680.74/x
  3. Step 3: Cross multiply
    107,660.58x = 161,527.09 × 47,680.74
  4. Step 4: Simplify right side
    107,660.58x = 7,701,731,181.25
  5. Step 5: Solve for x
    x = 7,701,731,181.25/107,660.58
  6. Step 6: Final answer
    x = 71,537.15

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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.