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Finding the Fourth Proportional to 60,290, 90,537.06 and 39,265.64

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Solution

The fourth proportional to 60,290, 90,537.06 and 39,265.64 is: 58,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,290 : 90,537.06 = 39,265.64 : x
  2. Step 2: Convert to fraction form
    60,290/90,537.06 = 39,265.64/x
  3. Step 3: Cross multiply
    60,290x = 90,537.06 × 39,265.64
  4. Step 4: Simplify right side
    60,290x = 3,554,995,604.62
  5. Step 5: Solve for x
    x = 3,554,995,604.62/60,290
  6. Step 6: Final answer
    x = 58,964.93

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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.