Home / 43,042.05-64,567.08-16,748.78

Finding the Fourth Proportional to 43,042.05, 64,567.08 and 16,748.78

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Solution

The fourth proportional to 43,042.05, 64,567.08 and 16,748.78 is: 25,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042.05 : 64,567.08 = 16,748.78 : x
  2. Step 2: Convert to fraction form
    43,042.05/64,567.08 = 16,748.78/x
  3. Step 3: Cross multiply
    43,042.05x = 64,567.08 × 16,748.78
  4. Step 4: Simplify right side
    43,042.05x = 1,081,419,495.33
  5. Step 5: Solve for x
    x = 1,081,419,495.33/43,042.05
  6. Step 6: Final answer
    x = 25,124.72

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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.