Home / 75,839.63-113,774.00-29,088.86

Finding the Fourth Proportional to 75,839.63, 113,774.00 and 29,088.86

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Solution

The fourth proportional to 75,839.63, 113,774.00 and 29,088.86 is: 43,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,839.63 : 113,774.00 = 29,088.86 : x
  2. Step 2: Convert to fraction form
    75,839.63/113,774.00 = 29,088.86/x
  3. Step 3: Cross multiply
    75,839.63x = 113,774.00 × 29,088.86
  4. Step 4: Simplify right side
    75,839.63x = 3,309,555,243.33
  5. Step 5: Solve for x
    x = 3,309,555,243.33/75,839.63
  6. Step 6: Final answer
    x = 43,638.87

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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.