Home / 81,967.50-122,877.06-29,365.26

Finding the Fourth Proportional to 81,967.50, 122,877.06 and 29,365.26

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Solution

The fourth proportional to 81,967.50, 122,877.06 and 29,365.26 is: 44,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,967.50 : 122,877.06 = 29,365.26 : x
  2. Step 2: Convert to fraction form
    81,967.50/122,877.06 = 29,365.26/x
  3. Step 3: Cross multiply
    81,967.50x = 122,877.06 × 29,365.26
  4. Step 4: Simplify right side
    81,967.50x = 3,608,316,814.94
  5. Step 5: Solve for x
    x = 3,608,316,814.94/81,967.50
  6. Step 6: Final answer
    x = 44,021.31

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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.