Home / 117,001.98-161,462.28-63,286.93

Finding the Fourth Proportional to 117,001.98, 161,462.28 and 63,286.93

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Solution

The fourth proportional to 117,001.98, 161,462.28 and 63,286.93 is: 87,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,001.98 : 161,462.28 = 63,286.93 : x
  2. Step 2: Convert to fraction form
    117,001.98/161,462.28 = 63,286.93/x
  3. Step 3: Cross multiply
    117,001.98x = 161,462.28 × 63,286.93
  4. Step 4: Simplify right side
    117,001.98x = 10,218,451,608.34
  5. Step 5: Solve for x
    x = 10,218,451,608.34/117,001.98
  6. Step 6: Final answer
    x = 87,335.72

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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.