Home / 42,173.52-63,273.69-26,388.60

Finding the Fourth Proportional to 42,173.52, 63,273.69 and 26,388.60

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Solution

The fourth proportional to 42,173.52, 63,273.69 and 26,388.60 is: 39,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,173.52 : 63,273.69 = 26,388.60 : x
  2. Step 2: Convert to fraction form
    42,173.52/63,273.69 = 26,388.60/x
  3. Step 3: Cross multiply
    42,173.52x = 63,273.69 × 26,388.60
  4. Step 4: Simplify right side
    42,173.52x = 1,669,704,095.93
  5. Step 5: Solve for x
    x = 1,669,704,095.93/42,173.52
  6. Step 6: Final answer
    x = 39,591.29

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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.