Home / 81,914.42-122,893.10-25,752.26

Finding the Fourth Proportional to 81,914.42, 122,893.10 and 25,752.26

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Solution

The fourth proportional to 81,914.42, 122,893.10 and 25,752.26 is: 38,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,914.42 : 122,893.10 = 25,752.26 : x
  2. Step 2: Convert to fraction form
    81,914.42/122,893.10 = 25,752.26/x
  3. Step 3: Cross multiply
    81,914.42x = 122,893.10 × 25,752.26
  4. Step 4: Simplify right side
    81,914.42x = 3,164,774,320.18
  5. Step 5: Solve for x
    x = 3,164,774,320.18/81,914.42
  6. Step 6: Final answer
    x = 38,635.13

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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.