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Finding the Fourth Proportional to 62,564.91, 86,339.57 and 34,270.59

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Solution

The fourth proportional to 62,564.91, 86,339.57 and 34,270.59 is: 47,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,564.91 : 86,339.57 = 34,270.59 : x
  2. Step 2: Convert to fraction form
    62,564.91/86,339.57 = 34,270.59/x
  3. Step 3: Cross multiply
    62,564.91x = 86,339.57 × 34,270.59
  4. Step 4: Simplify right side
    62,564.91x = 2,958,908,349.44
  5. Step 5: Solve for x
    x = 2,958,908,349.44/62,564.91
  6. Step 6: Final answer
    x = 47,293.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.