Home / 111,742.81-167,637.30-36,867.53

Finding the Fourth Proportional to 111,742.81, 167,637.30 and 36,867.53

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Solution

The fourth proportional to 111,742.81, 167,637.30 and 36,867.53 is: 55,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,742.81 : 167,637.30 = 36,867.53 : x
  2. Step 2: Convert to fraction form
    111,742.81/167,637.30 = 36,867.53/x
  3. Step 3: Cross multiply
    111,742.81x = 167,637.30 × 36,867.53
  4. Step 4: Simplify right side
    111,742.81x = 6,180,373,186.87
  5. Step 5: Solve for x
    x = 6,180,373,186.87/111,742.81
  6. Step 6: Final answer
    x = 55,308.91

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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.