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Finding the Fourth Proportional to 52,583.34, 78,863.07 and 15,135.03

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Solution

The fourth proportional to 52,583.34, 78,863.07 and 15,135.03 is: 22,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,583.34 : 78,863.07 = 15,135.03 : x
  2. Step 2: Convert to fraction form
    52,583.34/78,863.07 = 15,135.03/x
  3. Step 3: Cross multiply
    52,583.34x = 78,863.07 × 15,135.03
  4. Step 4: Simplify right side
    52,583.34x = 1,193,594,930.34
  5. Step 5: Solve for x
    x = 1,193,594,930.34/52,583.34
  6. Step 6: Final answer
    x = 22,699.11

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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.