Home / 71,207.20-98,265.78-40,981.49

Finding the Fourth Proportional to 71,207.20, 98,265.78 and 40,981.49

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Solution

The fourth proportional to 71,207.20, 98,265.78 and 40,981.49 is: 56,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,207.20 : 98,265.78 = 40,981.49 : x
  2. Step 2: Convert to fraction form
    71,207.20/98,265.78 = 40,981.49/x
  3. Step 3: Cross multiply
    71,207.20x = 98,265.78 × 40,981.49
  4. Step 4: Simplify right side
    71,207.20x = 4,027,078,625.59
  5. Step 5: Solve for x
    x = 4,027,078,625.59/71,207.20
  6. Step 6: Final answer
    x = 56,554.37

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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.