Home / 81,726.90-122,361.94-44,152.35

Finding the Fourth Proportional to 81,726.90, 122,361.94 and 44,152.35

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Solution

The fourth proportional to 81,726.90, 122,361.94 and 44,152.35 is: 66,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,726.90 : 122,361.94 = 44,152.35 : x
  2. Step 2: Convert to fraction form
    81,726.90/122,361.94 = 44,152.35/x
  3. Step 3: Cross multiply
    81,726.90x = 122,361.94 × 44,152.35
  4. Step 4: Simplify right side
    81,726.90x = 5,402,567,006.04
  5. Step 5: Solve for x
    x = 5,402,567,006.04/81,726.90
  6. Step 6: Final answer
    x = 66,105.13

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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.