Home / 92,331.63-138,457.22-49,045.09

Finding the Fourth Proportional to 92,331.63, 138,457.22 and 49,045.09

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Solution

The fourth proportional to 92,331.63, 138,457.22 and 49,045.09 is: 73,546.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,331.63 : 138,457.22 = 49,045.09 : x
  2. Step 2: Convert to fraction form
    92,331.63/138,457.22 = 49,045.09/x
  3. Step 3: Cross multiply
    92,331.63x = 138,457.22 × 49,045.09
  4. Step 4: Simplify right side
    92,331.63x = 6,790,647,284.81
  5. Step 5: Solve for x
    x = 6,790,647,284.81/92,331.63
  6. Step 6: Final answer
    x = 73,546.27

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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.