Home / 74,141.31-111,159.11-34,676.89

Finding the Fourth Proportional to 74,141.31, 111,159.11 and 34,676.89

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Solution

The fourth proportional to 74,141.31, 111,159.11 and 34,676.89 is: 51,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,141.31 : 111,159.11 = 34,676.89 : x
  2. Step 2: Convert to fraction form
    74,141.31/111,159.11 = 34,676.89/x
  3. Step 3: Cross multiply
    74,141.31x = 111,159.11 × 34,676.89
  4. Step 4: Simplify right side
    74,141.31x = 3,854,652,056.58
  5. Step 5: Solve for x
    x = 3,854,652,056.58/74,141.31
  6. Step 6: Final answer
    x = 51,990.62

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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.