Home / 81,184.30-112,032.27-45,374.56

Finding the Fourth Proportional to 81,184.30, 112,032.27 and 45,374.56

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Solution

The fourth proportional to 81,184.30, 112,032.27 and 45,374.56 is: 62,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,184.30 : 112,032.27 = 45,374.56 : x
  2. Step 2: Convert to fraction form
    81,184.30/112,032.27 = 45,374.56/x
  3. Step 3: Cross multiply
    81,184.30x = 112,032.27 × 45,374.56
  4. Step 4: Simplify right side
    81,184.30x = 5,083,414,676.97
  5. Step 5: Solve for x
    x = 5,083,414,676.97/81,184.30
  6. Step 6: Final answer
    x = 62,615.74

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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.