Home / 109,272.99-163,938.66-39,159.39

Finding the Fourth Proportional to 109,272.99, 163,938.66 and 39,159.39

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Solution

The fourth proportional to 109,272.99, 163,938.66 and 39,159.39 is: 58,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,272.99 : 163,938.66 = 39,159.39 : x
  2. Step 2: Convert to fraction form
    109,272.99/163,938.66 = 39,159.39/x
  3. Step 3: Cross multiply
    109,272.99x = 163,938.66 × 39,159.39
  4. Step 4: Simplify right side
    109,272.99x = 6,419,737,923.02
  5. Step 5: Solve for x
    x = 6,419,737,923.02/109,272.99
  6. Step 6: Final answer
    x = 58,749.54

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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.