Home / 74,530.30-111,756.98-21,932.96

Finding the Fourth Proportional to 74,530.30, 111,756.98 and 21,932.96

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Solution

The fourth proportional to 74,530.30, 111,756.98 and 21,932.96 is: 32,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,530.30 : 111,756.98 = 21,932.96 : x
  2. Step 2: Convert to fraction form
    74,530.30/111,756.98 = 21,932.96/x
  3. Step 3: Cross multiply
    74,530.30x = 111,756.98 × 21,932.96
  4. Step 4: Simplify right side
    74,530.30x = 2,451,161,372.06
  5. Step 5: Solve for x
    x = 2,451,161,372.06/74,530.30
  6. Step 6: Final answer
    x = 32,888.12

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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.