Home / 117,212.37-161,753.14-63,497.60

Finding the Fourth Proportional to 117,212.37, 161,753.14 and 63,497.60

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Solution

The fourth proportional to 117,212.37, 161,753.14 and 63,497.60 is: 87,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,212.37 : 161,753.14 = 63,497.60 : x
  2. Step 2: Convert to fraction form
    117,212.37/161,753.14 = 63,497.60/x
  3. Step 3: Cross multiply
    117,212.37x = 161,753.14 × 63,497.60
  4. Step 4: Simplify right side
    117,212.37x = 10,270,935,373.70
  5. Step 5: Solve for x
    x = 10,270,935,373.70/117,212.37
  6. Step 6: Final answer
    x = 87,626.72

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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.