Home / 92,434.52-138,651.78-30,105.02

Finding the Fourth Proportional to 92,434.52, 138,651.78 and 30,105.02

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Solution

The fourth proportional to 92,434.52, 138,651.78 and 30,105.02 is: 45,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,434.52 : 138,651.78 = 30,105.02 : x
  2. Step 2: Convert to fraction form
    92,434.52/138,651.78 = 30,105.02/x
  3. Step 3: Cross multiply
    92,434.52x = 138,651.78 × 30,105.02
  4. Step 4: Simplify right side
    92,434.52x = 4,174,113,766.15
  5. Step 5: Solve for x
    x = 4,174,113,766.15/92,434.52
  6. Step 6: Final answer
    x = 45,157.52

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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.