Home / 79,747.39-119,639.60-27,157.33

Finding the Fourth Proportional to 79,747.39, 119,639.60 and 27,157.33

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Solution

The fourth proportional to 79,747.39, 119,639.60 and 27,157.33 is: 40,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,747.39 : 119,639.60 = 27,157.33 : x
  2. Step 2: Convert to fraction form
    79,747.39/119,639.60 = 27,157.33/x
  3. Step 3: Cross multiply
    79,747.39x = 119,639.60 × 27,157.33
  4. Step 4: Simplify right side
    79,747.39x = 3,249,091,364.28
  5. Step 5: Solve for x
    x = 3,249,091,364.28/79,747.39
  6. Step 6: Final answer
    x = 40,742.29

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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.