Home / 81,926.30-122,962.68-41,972.50

Finding the Fourth Proportional to 81,926.30, 122,962.68 and 41,972.50

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Solution

The fourth proportional to 81,926.30, 122,962.68 and 41,972.50 is: 62,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,926.30 : 122,962.68 = 41,972.50 : x
  2. Step 2: Convert to fraction form
    81,926.30/122,962.68 = 41,972.50/x
  3. Step 3: Cross multiply
    81,926.30x = 122,962.68 × 41,972.50
  4. Step 4: Simplify right side
    81,926.30x = 5,161,051,086.30
  5. Step 5: Solve for x
    x = 5,161,051,086.30/81,926.30
  6. Step 6: Final answer
    x = 62,996.27

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1.5x scale

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.