Home / 84,914.52-117,186.30-47,192.28

Finding the Fourth Proportional to 84,914.52, 117,186.30 and 47,192.28

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Solution

The fourth proportional to 84,914.52, 117,186.30 and 47,192.28 is: 65,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,914.52 : 117,186.30 = 47,192.28 : x
  2. Step 2: Convert to fraction form
    84,914.52/117,186.30 = 47,192.28/x
  3. Step 3: Cross multiply
    84,914.52x = 117,186.30 × 47,192.28
  4. Step 4: Simplify right side
    84,914.52x = 5,530,288,681.76
  5. Step 5: Solve for x
    x = 5,530,288,681.76/84,914.52
  6. Step 6: Final answer
    x = 65,127.72

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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.