Home / 84,899.24-117,154.09-49,091.57

Finding the Fourth Proportional to 84,899.24, 117,154.09 and 49,091.57

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Solution

The fourth proportional to 84,899.24, 117,154.09 and 49,091.57 is: 67,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899.24 : 117,154.09 = 49,091.57 : x
  2. Step 2: Convert to fraction form
    84,899.24/117,154.09 = 49,091.57/x
  3. Step 3: Cross multiply
    84,899.24x = 117,154.09 × 49,091.57
  4. Step 4: Simplify right side
    84,899.24x = 5,751,278,210.02
  5. Step 5: Solve for x
    x = 5,751,278,210.02/84,899.24
  6. Step 6: Final answer
    x = 67,742.40

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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.