Home / 92,380.40-138,563.36-56,846.51

Finding the Fourth Proportional to 92,380.40, 138,563.36 and 56,846.51

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Solution

The fourth proportional to 92,380.40, 138,563.36 and 56,846.51 is: 85,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,380.40 : 138,563.36 = 56,846.51 : x
  2. Step 2: Convert to fraction form
    92,380.40/138,563.36 = 56,846.51/x
  3. Step 3: Cross multiply
    92,380.40x = 138,563.36 × 56,846.51
  4. Step 4: Simplify right side
    92,380.40x = 7,876,842,452.82
  5. Step 5: Solve for x
    x = 7,876,842,452.82/92,380.40
  6. Step 6: Final answer
    x = 85,265.30

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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.