Home / 107,780.76-161,560.62-48,657.96

Finding the Fourth Proportional to 107,780.76, 161,560.62 and 48,657.96

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Solution

The fourth proportional to 107,780.76, 161,560.62 and 48,657.96 is: 72,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,780.76 : 161,560.62 = 48,657.96 : x
  2. Step 2: Convert to fraction form
    107,780.76/161,560.62 = 48,657.96/x
  3. Step 3: Cross multiply
    107,780.76x = 161,560.62 × 48,657.96
  4. Step 4: Simplify right side
    107,780.76x = 7,861,210,185.54
  5. Step 5: Solve for x
    x = 7,861,210,185.54/107,780.76
  6. Step 6: Final answer
    x = 72,937.05

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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.