Home / 107,932.62-161,982.15-70,482.54

Finding the Fourth Proportional to 107,932.62, 161,982.15 and 70,482.54

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Solution

The fourth proportional to 107,932.62, 161,982.15 and 70,482.54 is: 105,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,932.62 : 161,982.15 = 70,482.54 : x
  2. Step 2: Convert to fraction form
    107,932.62/161,982.15 = 70,482.54/x
  3. Step 3: Cross multiply
    107,932.62x = 161,982.15 × 70,482.54
  4. Step 4: Simplify right side
    107,932.62x = 11,416,913,366.66
  5. Step 5: Solve for x
    x = 11,416,913,366.66/107,932.62
  6. Step 6: Final answer
    x = 105,778.15

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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.