Home / 77,817.28-116,701.44-25,214.56

Finding the Fourth Proportional to 77,817.28, 116,701.44 and 25,214.56

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Solution

The fourth proportional to 77,817.28, 116,701.44 and 25,214.56 is: 37,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,817.28 : 116,701.44 = 25,214.56 : x
  2. Step 2: Convert to fraction form
    77,817.28/116,701.44 = 25,214.56/x
  3. Step 3: Cross multiply
    77,817.28x = 116,701.44 × 25,214.56
  4. Step 4: Simplify right side
    77,817.28x = 2,942,575,460.97
  5. Step 5: Solve for x
    x = 2,942,575,460.97/77,817.28
  6. Step 6: Final answer
    x = 37,813.91

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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.