Home / 81,347.84-122,026.04-25,226.72

Finding the Fourth Proportional to 81,347.84, 122,026.04 and 25,226.72

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Solution

The fourth proportional to 81,347.84, 122,026.04 and 25,226.72 is: 37,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,347.84 : 122,026.04 = 25,226.72 : x
  2. Step 2: Convert to fraction form
    81,347.84/122,026.04 = 25,226.72/x
  3. Step 3: Cross multiply
    81,347.84x = 122,026.04 × 25,226.72
  4. Step 4: Simplify right side
    81,347.84x = 3,078,316,743.79
  5. Step 5: Solve for x
    x = 3,078,316,743.79/81,347.84
  6. Step 6: Final answer
    x = 37,841.41

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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.