Home / 43,174.68-64,770-16,877.76

Finding the Fourth Proportional to 43,174.68, 64,770 and 16,877.76

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Solution

The fourth proportional to 43,174.68, 64,770 and 16,877.76 is: 25,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,174.68 : 64,770 = 16,877.76 : x
  2. Step 2: Convert to fraction form
    43,174.68/64,770 = 16,877.76/x
  3. Step 3: Cross multiply
    43,174.68x = 64,770 × 16,877.76
  4. Step 4: Simplify right side
    43,174.68x = 1,093,172,515.20
  5. Step 5: Solve for x
    x = 1,093,172,515.20/43,174.68
  6. Step 6: Final answer
    x = 25,319.76

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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.