Home / 92,451.90-138,647.25-30,107.82

Finding the Fourth Proportional to 92,451.90, 138,647.25 and 30,107.82

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Solution

The fourth proportional to 92,451.90, 138,647.25 and 30,107.82 is: 45,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,451.90 : 138,647.25 = 30,107.82 : x
  2. Step 2: Convert to fraction form
    92,451.90/138,647.25 = 30,107.82/x
  3. Step 3: Cross multiply
    92,451.90x = 138,647.25 × 30,107.82
  4. Step 4: Simplify right side
    92,451.90x = 4,174,366,446.50
  5. Step 5: Solve for x
    x = 4,174,366,446.50/92,451.90
  6. Step 6: Final answer
    x = 45,151.76

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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.