Home / 79,176.96-118,673.28-78,301.44

Finding the Fourth Proportional to 79,176.96, 118,673.28 and 78,301.44

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Solution

The fourth proportional to 79,176.96, 118,673.28 and 78,301.44 is: 117,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,176.96 : 118,673.28 = 78,301.44 : x
  2. Step 2: Convert to fraction form
    79,176.96/118,673.28 = 78,301.44/x
  3. Step 3: Cross multiply
    79,176.96x = 118,673.28 × 78,301.44
  4. Step 4: Simplify right side
    79,176.96x = 9,292,288,713.52
  5. Step 5: Solve for x
    x = 9,292,288,713.52/79,176.96
  6. Step 6: Final answer
    x = 117,361.02

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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.