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Finding the Fourth Proportional to 59,467.71, 82,167.44 and 57,339.03

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Solution

The fourth proportional to 59,467.71, 82,167.44 and 57,339.03 is: 79,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,467.71 : 82,167.44 = 57,339.03 : x
  2. Step 2: Convert to fraction form
    59,467.71/82,167.44 = 57,339.03/x
  3. Step 3: Cross multiply
    59,467.71x = 82,167.44 × 57,339.03
  4. Step 4: Simplify right side
    59,467.71x = 4,711,401,020.49
  5. Step 5: Solve for x
    x = 4,711,401,020.49/59,467.71
  6. Step 6: Final answer
    x = 79,226.21

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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.