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Finding the Fourth Proportional to 62,914.80, 94,418.31 and 46,319.55

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Solution

The fourth proportional to 62,914.80, 94,418.31 and 46,319.55 is: 69,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,914.80 : 94,418.31 = 46,319.55 : x
  2. Step 2: Convert to fraction form
    62,914.80/94,418.31 = 46,319.55/x
  3. Step 3: Cross multiply
    62,914.80x = 94,418.31 × 46,319.55
  4. Step 4: Simplify right side
    62,914.80x = 4,373,413,630.96
  5. Step 5: Solve for x
    x = 4,373,413,630.96/62,914.80
  6. Step 6: Final answer
    x = 69,513.27

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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.