Home / 81,374.58-122,002.72-34,003.23

Finding the Fourth Proportional to 81,374.58, 122,002.72 and 34,003.23

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Solution

The fourth proportional to 81,374.58, 122,002.72 and 34,003.23 is: 50,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,374.58 : 122,002.72 = 34,003.23 : x
  2. Step 2: Convert to fraction form
    81,374.58/122,002.72 = 34,003.23/x
  3. Step 3: Cross multiply
    81,374.58x = 122,002.72 × 34,003.23
  4. Step 4: Simplify right side
    81,374.58x = 4,148,486,548.79
  5. Step 5: Solve for x
    x = 4,148,486,548.79/81,374.58
  6. Step 6: Final answer
    x = 50,980.13

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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.