Home / 64,098.76-96,157.26-19,729.21

Finding the Fourth Proportional to 64,098.76, 96,157.26 and 19,729.21

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Solution

The fourth proportional to 64,098.76, 96,157.26 and 19,729.21 is: 29,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,098.76 : 96,157.26 = 19,729.21 : x
  2. Step 2: Convert to fraction form
    64,098.76/96,157.26 = 19,729.21/x
  3. Step 3: Cross multiply
    64,098.76x = 96,157.26 × 19,729.21
  4. Step 4: Simplify right side
    64,098.76x = 1,897,107,062.17
  5. Step 5: Solve for x
    x = 1,897,107,062.17/64,098.76
  6. Step 6: Final answer
    x = 29,596.62

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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.