Home / 97,821.25-134,992.61-55,379.41

Finding the Fourth Proportional to 97,821.25, 134,992.61 and 55,379.41

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Solution

The fourth proportional to 97,821.25, 134,992.61 and 55,379.41 is: 76,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,821.25 : 134,992.61 = 55,379.41 : x
  2. Step 2: Convert to fraction form
    97,821.25/134,992.61 = 55,379.41/x
  3. Step 3: Cross multiply
    97,821.25x = 134,992.61 × 55,379.41
  4. Step 4: Simplify right side
    97,821.25x = 7,475,810,144.30
  5. Step 5: Solve for x
    x = 7,475,810,144.30/97,821.25
  6. Step 6: Final answer
    x = 76,423.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.