Home / 111,766.47-167,684.34-38,742.68

Finding the Fourth Proportional to 111,766.47, 167,684.34 and 38,742.68

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Solution

The fourth proportional to 111,766.47, 167,684.34 and 38,742.68 is: 58,126.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,766.47 : 167,684.34 = 38,742.68 : x
  2. Step 2: Convert to fraction form
    111,766.47/167,684.34 = 38,742.68/x
  3. Step 3: Cross multiply
    111,766.47x = 167,684.34 × 38,742.68
  4. Step 4: Simplify right side
    111,766.47x = 6,496,539,887.21
  5. Step 5: Solve for x
    x = 6,496,539,887.21/111,766.47
  6. Step 6: Final answer
    x = 58,126.02

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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.