Home / 78,070.56-117,093.66-25,468.38

Finding the Fourth Proportional to 78,070.56, 117,093.66 and 25,468.38

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Solution

The fourth proportional to 78,070.56, 117,093.66 and 25,468.38 is: 38,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,070.56 : 117,093.66 = 25,468.38 : x
  2. Step 2: Convert to fraction form
    78,070.56/117,093.66 = 25,468.38/x
  3. Step 3: Cross multiply
    78,070.56x = 117,093.66 × 25,468.38
  4. Step 4: Simplify right side
    78,070.56x = 2,982,185,828.47
  5. Step 5: Solve for x
    x = 2,982,185,828.47/78,070.56
  6. Step 6: Final answer
    x = 38,198.60

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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.