Home / 84,827.48-117,079.29-49,012.72

Finding the Fourth Proportional to 84,827.48, 117,079.29 and 49,012.72

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Solution

The fourth proportional to 84,827.48, 117,079.29 and 49,012.72 is: 67,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.48 : 117,079.29 = 49,012.72 : x
  2. Step 2: Convert to fraction form
    84,827.48/117,079.29 = 49,012.72/x
  3. Step 3: Cross multiply
    84,827.48x = 117,079.29 × 49,012.72
  4. Step 4: Simplify right side
    84,827.48x = 5,738,374,165.87
  5. Step 5: Solve for x
    x = 5,738,374,165.87/84,827.48
  6. Step 6: Final answer
    x = 67,647.59

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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.