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Finding the Fourth Proportional to 64,097.28, 96,099.84 and 29,018.88

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Solution

The fourth proportional to 64,097.28, 96,099.84 and 29,018.88 is: 43,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,097.28 : 96,099.84 = 29,018.88 : x
  2. Step 2: Convert to fraction form
    64,097.28/96,099.84 = 29,018.88/x
  3. Step 3: Cross multiply
    64,097.28x = 96,099.84 × 29,018.88
  4. Step 4: Simplify right side
    64,097.28x = 2,788,709,724.98
  5. Step 5: Solve for x
    x = 2,788,709,724.98/64,097.28
  6. Step 6: Final answer
    x = 43,507.46

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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.