Home / 75,414.43-113,136.23-28,663.66

Finding the Fourth Proportional to 75,414.43, 113,136.23 and 28,663.66

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Solution

The fourth proportional to 75,414.43, 113,136.23 and 28,663.66 is: 43,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,414.43 : 113,136.23 = 28,663.66 : x
  2. Step 2: Convert to fraction form
    75,414.43/113,136.23 = 28,663.66/x
  3. Step 3: Cross multiply
    75,414.43x = 113,136.23 × 28,663.66
  4. Step 4: Simplify right side
    75,414.43x = 3,242,898,430.40
  5. Step 5: Solve for x
    x = 3,242,898,430.40/75,414.43
  6. Step 6: Final answer
    x = 43,001.03

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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.