Home / 43,176.66-64,748.61-16,878.12

Finding the Fourth Proportional to 43,176.66, 64,748.61 and 16,878.12

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Solution

The fourth proportional to 43,176.66, 64,748.61 and 16,878.12 is: 25,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,176.66 : 64,748.61 = 16,878.12 : x
  2. Step 2: Convert to fraction form
    43,176.66/64,748.61 = 16,878.12/x
  3. Step 3: Cross multiply
    43,176.66x = 64,748.61 × 16,878.12
  4. Step 4: Simplify right side
    43,176.66x = 1,092,834,809.41
  5. Step 5: Solve for x
    x = 1,092,834,809.41/43,176.66
  6. Step 6: Final answer
    x = 25,310.78

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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.