Home / 117,688.46-162,372.75-73,002.38

Finding the Fourth Proportional to 117,688.46, 162,372.75 and 73,002.38

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Solution

The fourth proportional to 117,688.46, 162,372.75 and 73,002.38 is: 100,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,688.46 : 162,372.75 = 73,002.38 : x
  2. Step 2: Convert to fraction form
    117,688.46/162,372.75 = 73,002.38/x
  3. Step 3: Cross multiply
    117,688.46x = 162,372.75 × 73,002.38
  4. Step 4: Simplify right side
    117,688.46x = 11,853,597,197.15
  5. Step 5: Solve for x
    x = 11,853,597,197.15/117,688.46
  6. Step 6: Final answer
    x = 100,720.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.