Home / 79,290.21-118,859.04-29,356.74

Finding the Fourth Proportional to 79,290.21, 118,859.04 and 29,356.74

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Solution

The fourth proportional to 79,290.21, 118,859.04 and 29,356.74 is: 44,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,290.21 : 118,859.04 = 29,356.74 : x
  2. Step 2: Convert to fraction form
    79,290.21/118,859.04 = 29,356.74/x
  3. Step 3: Cross multiply
    79,290.21x = 118,859.04 × 29,356.74
  4. Step 4: Simplify right side
    79,290.21x = 3,489,313,933.93
  5. Step 5: Solve for x
    x = 3,489,313,933.93/79,290.21
  6. Step 6: Final answer
    x = 44,006.87

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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.