Home / 97,834.88-135,012.66-55,401.68

Finding the Fourth Proportional to 97,834.88, 135,012.66 and 55,401.68

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Solution

The fourth proportional to 97,834.88, 135,012.66 and 55,401.68 is: 76,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,834.88 : 135,012.66 = 55,401.68 : x
  2. Step 2: Convert to fraction form
    97,834.88/135,012.66 = 55,401.68/x
  3. Step 3: Cross multiply
    97,834.88x = 135,012.66 × 55,401.68
  4. Step 4: Simplify right side
    97,834.88x = 7,479,928,185.27
  5. Step 5: Solve for x
    x = 7,479,928,185.27/97,834.88
  6. Step 6: Final answer
    x = 76,454.62

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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.