Home / 52,208.55-78,310.40-17,148.51

Finding the Fourth Proportional to 52,208.55, 78,310.40 and 17,148.51

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Solution

The fourth proportional to 52,208.55, 78,310.40 and 17,148.51 is: 25,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208.55 : 78,310.40 = 17,148.51 : x
  2. Step 2: Convert to fraction form
    52,208.55/78,310.40 = 17,148.51/x
  3. Step 3: Cross multiply
    52,208.55x = 78,310.40 × 17,148.51
  4. Step 4: Simplify right side
    52,208.55x = 1,342,906,591.76
  5. Step 5: Solve for x
    x = 1,342,906,591.76/52,208.55
  6. Step 6: Final answer
    x = 25,721.97

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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.