Home / 97,834.40-135,011.97-55,401.20

Finding the Fourth Proportional to 97,834.40, 135,011.97 and 55,401.20

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Solution

The fourth proportional to 97,834.40, 135,011.97 and 55,401.20 is: 76,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,834.40 : 135,011.97 = 55,401.20 : x
  2. Step 2: Convert to fraction form
    97,834.40/135,011.97 = 55,401.20/x
  3. Step 3: Cross multiply
    97,834.40x = 135,011.97 × 55,401.20
  4. Step 4: Simplify right side
    97,834.40x = 7,479,824,477.30
  5. Step 5: Solve for x
    x = 7,479,824,477.30/97,834.40
  6. Step 6: Final answer
    x = 76,453.94

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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.