Home / 91,023.36-136,596.96-55,855.68

Finding the Fourth Proportional to 91,023.36, 136,596.96 and 55,855.68

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Solution

The fourth proportional to 91,023.36, 136,596.96 and 55,855.68 is: 83,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,023.36 : 136,596.96 = 55,855.68 : x
  2. Step 2: Convert to fraction form
    91,023.36/136,596.96 = 55,855.68/x
  3. Step 3: Cross multiply
    91,023.36x = 136,596.96 × 55,855.68
  4. Step 4: Simplify right side
    91,023.36x = 7,629,716,086.73
  5. Step 5: Solve for x
    x = 7,629,716,086.73/91,023.36
  6. Step 6: Final answer
    x = 83,821.52

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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.