Home / 81,530.66-122,296.94-24,605.06

Finding the Fourth Proportional to 81,530.66, 122,296.94 and 24,605.06

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Solution

The fourth proportional to 81,530.66, 122,296.94 and 24,605.06 is: 36,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,530.66 : 122,296.94 = 24,605.06 : x
  2. Step 2: Convert to fraction form
    81,530.66/122,296.94 = 24,605.06/x
  3. Step 3: Cross multiply
    81,530.66x = 122,296.94 × 24,605.06
  4. Step 4: Simplify right side
    81,530.66x = 3,009,122,812.01
  5. Step 5: Solve for x
    x = 3,009,122,812.01/81,530.66
  6. Step 6: Final answer
    x = 36,907.87

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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.