Home / 79,139.06-118,717.96-49,559.34

Finding the Fourth Proportional to 79,139.06, 118,717.96 and 49,559.34

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Solution

The fourth proportional to 79,139.06, 118,717.96 and 49,559.34 is: 74,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,139.06 : 118,717.96 = 49,559.34 : x
  2. Step 2: Convert to fraction form
    79,139.06/118,717.96 = 49,559.34/x
  3. Step 3: Cross multiply
    79,139.06x = 118,717.96 × 49,559.34
  4. Step 4: Simplify right side
    79,139.06x = 5,883,583,743.75
  5. Step 5: Solve for x
    x = 5,883,583,743.75/79,139.06
  6. Step 6: Final answer
    x = 74,344.88

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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.