Home / 84,962.90-117,239.72-49,146.22

Finding the Fourth Proportional to 84,962.90, 117,239.72 and 49,146.22

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Solution

The fourth proportional to 84,962.90, 117,239.72 and 49,146.22 is: 67,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,962.90 : 117,239.72 = 49,146.22 : x
  2. Step 2: Convert to fraction form
    84,962.90/117,239.72 = 49,146.22/x
  3. Step 3: Cross multiply
    84,962.90x = 117,239.72 × 49,146.22
  4. Step 4: Simplify right side
    84,962.90x = 5,761,888,712.05
  5. Step 5: Solve for x
    x = 5,761,888,712.05/84,962.90
  6. Step 6: Final answer
    x = 67,816.53

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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.