Home / 84,829.76-117,079.47-49,040.52

Finding the Fourth Proportional to 84,829.76, 117,079.47 and 49,040.52

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Solution

The fourth proportional to 84,829.76, 117,079.47 and 49,040.52 is: 67,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,829.76 : 117,079.47 = 49,040.52 : x
  2. Step 2: Convert to fraction form
    84,829.76/117,079.47 = 49,040.52/x
  3. Step 3: Cross multiply
    84,829.76x = 117,079.47 × 49,040.52
  4. Step 4: Simplify right side
    84,829.76x = 5,741,638,090.12
  5. Step 5: Solve for x
    x = 5,741,638,090.12/84,829.76
  6. Step 6: Final answer
    x = 67,684.24

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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.