Home / 117,614.54-162,375.33-77,445.02

Finding the Fourth Proportional to 117,614.54, 162,375.33 and 77,445.02

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Solution

The fourth proportional to 117,614.54, 162,375.33 and 77,445.02 is: 106,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,614.54 : 162,375.33 = 77,445.02 : x
  2. Step 2: Convert to fraction form
    117,614.54/162,375.33 = 77,445.02/x
  3. Step 3: Cross multiply
    117,614.54x = 162,375.33 × 77,445.02
  4. Step 4: Simplify right side
    117,614.54x = 12,575,160,679.36
  5. Step 5: Solve for x
    x = 12,575,160,679.36/117,614.54
  6. Step 6: Final answer
    x = 106,918.42

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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.