Home / 81,962.40-122,914.80-29,373.60

Finding the Fourth Proportional to 81,962.40, 122,914.80 and 29,373.60

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Solution

The fourth proportional to 81,962.40, 122,914.80 and 29,373.60 is: 44,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,962.40 : 122,914.80 = 29,373.60 : x
  2. Step 2: Convert to fraction form
    81,962.40/122,914.80 = 29,373.60/x
  3. Step 3: Cross multiply
    81,962.40x = 122,914.80 × 29,373.60
  4. Step 4: Simplify right side
    81,962.40x = 3,610,450,169.28
  5. Step 5: Solve for x
    x = 3,610,450,169.28/81,962.40
  6. Step 6: Final answer
    x = 44,050.08

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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.