Home / 64,104.30-96,166.89-19,731.06

Finding the Fourth Proportional to 64,104.30, 96,166.89 and 19,731.06

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Solution

The fourth proportional to 64,104.30, 96,166.89 and 19,731.06 is: 29,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,104.30 : 96,166.89 = 19,731.06 : x
  2. Step 2: Convert to fraction form
    64,104.30/96,166.89 = 19,731.06/x
  3. Step 3: Cross multiply
    64,104.30x = 96,166.89 × 19,731.06
  4. Step 4: Simplify right side
    64,104.30x = 1,897,474,676.60
  5. Step 5: Solve for x
    x = 1,897,474,676.60/64,104.30
  6. Step 6: Final answer
    x = 29,599.80

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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.