Home / 61,826.22-85,325.84-38,859.76

Finding the Fourth Proportional to 61,826.22, 85,325.84 and 38,859.76

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Solution

The fourth proportional to 61,826.22, 85,325.84 and 38,859.76 is: 53,630.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,826.22 : 85,325.84 = 38,859.76 : x
  2. Step 2: Convert to fraction form
    61,826.22/85,325.84 = 38,859.76/x
  3. Step 3: Cross multiply
    61,826.22x = 85,325.84 × 38,859.76
  4. Step 4: Simplify right side
    61,826.22x = 3,315,741,664.20
  5. Step 5: Solve for x
    x = 3,315,741,664.20/61,826.22
  6. Step 6: Final answer
    x = 53,630.02

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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.