Home / 84,860.61-117,094.64-49,043.72

Finding the Fourth Proportional to 84,860.61, 117,094.64 and 49,043.72

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Solution

The fourth proportional to 84,860.61, 117,094.64 and 49,043.72 is: 67,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,860.61 : 117,094.64 = 49,043.72 : x
  2. Step 2: Convert to fraction form
    84,860.61/117,094.64 = 49,043.72/x
  3. Step 3: Cross multiply
    84,860.61x = 117,094.64 × 49,043.72
  4. Step 4: Simplify right side
    84,860.61x = 5,742,755,906.97
  5. Step 5: Solve for x
    x = 5,742,755,906.97/84,860.61
  6. Step 6: Final answer
    x = 67,672.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.