Home / 66,447.38-99,687.90-22,074.35

Finding the Fourth Proportional to 66,447.38, 99,687.90 and 22,074.35

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Solution

The fourth proportional to 66,447.38, 99,687.90 and 22,074.35 is: 33,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447.38 : 99,687.90 = 22,074.35 : x
  2. Step 2: Convert to fraction form
    66,447.38/99,687.90 = 22,074.35/x
  3. Step 3: Cross multiply
    66,447.38x = 99,687.90 × 22,074.35
  4. Step 4: Simplify right side
    66,447.38x = 2,200,545,595.37
  5. Step 5: Solve for x
    x = 2,200,545,595.37/66,447.38
  6. Step 6: Final answer
    x = 33,117.12

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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.