Home / 107,756.68-161,637.66-36,679.18

Finding the Fourth Proportional to 107,756.68, 161,637.66 and 36,679.18

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Solution

The fourth proportional to 107,756.68, 161,637.66 and 36,679.18 is: 55,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,756.68 : 161,637.66 = 36,679.18 : x
  2. Step 2: Convert to fraction form
    107,756.68/161,637.66 = 36,679.18/x
  3. Step 3: Cross multiply
    107,756.68x = 161,637.66 × 36,679.18
  4. Step 4: Simplify right side
    107,756.68x = 5,928,736,825.92
  5. Step 5: Solve for x
    x = 5,928,736,825.92/107,756.68
  6. Step 6: Final answer
    x = 55,019.67

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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.