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Finding the Fourth Proportional to 64,293.74, 96,440.63 and 29,243.42

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Solution

The fourth proportional to 64,293.74, 96,440.63 and 29,243.42 is: 43,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,293.74 : 96,440.63 = 29,243.42 : x
  2. Step 2: Convert to fraction form
    64,293.74/96,440.63 = 29,243.42/x
  3. Step 3: Cross multiply
    64,293.74x = 96,440.63 × 29,243.42
  4. Step 4: Simplify right side
    64,293.74x = 2,820,253,219.73
  5. Step 5: Solve for x
    x = 2,820,253,219.73/64,293.74
  6. Step 6: Final answer
    x = 43,865.13

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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.