Home / 77,835.21-116,769.23-25,240.59

Finding the Fourth Proportional to 77,835.21, 116,769.23 and 25,240.59

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Solution

The fourth proportional to 77,835.21, 116,769.23 and 25,240.59 is: 37,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,835.21 : 116,769.23 = 25,240.59 : x
  2. Step 2: Convert to fraction form
    77,835.21/116,769.23 = 25,240.59/x
  3. Step 3: Cross multiply
    77,835.21x = 116,769.23 × 25,240.59
  4. Step 4: Simplify right side
    77,835.21x = 2,947,324,132.84
  5. Step 5: Solve for x
    x = 2,947,324,132.84/77,835.21
  6. Step 6: Final answer
    x = 37,866.21

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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.