Home / 66,938.35-100,433.82-29,472.14

Finding the Fourth Proportional to 66,938.35, 100,433.82 and 29,472.14

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Solution

The fourth proportional to 66,938.35, 100,433.82 and 29,472.14 is: 44,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,938.35 : 100,433.82 = 29,472.14 : x
  2. Step 2: Convert to fraction form
    66,938.35/100,433.82 = 29,472.14/x
  3. Step 3: Cross multiply
    66,938.35x = 100,433.82 × 29,472.14
  4. Step 4: Simplify right side
    66,938.35x = 2,959,999,603.77
  5. Step 5: Solve for x
    x = 2,959,999,603.77/66,938.35
  6. Step 6: Final answer
    x = 44,219.79

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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.