Home / 117,679.51-162,397.92-63,964.39

Finding the Fourth Proportional to 117,679.51, 162,397.92 and 63,964.39

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Solution

The fourth proportional to 117,679.51, 162,397.92 and 63,964.39 is: 88,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,679.51 : 162,397.92 = 63,964.39 : x
  2. Step 2: Convert to fraction form
    117,679.51/162,397.92 = 63,964.39/x
  3. Step 3: Cross multiply
    117,679.51x = 162,397.92 × 63,964.39
  4. Step 4: Simplify right side
    117,679.51x = 10,387,683,890.07
  5. Step 5: Solve for x
    x = 10,387,683,890.07/117,679.51
  6. Step 6: Final answer
    x = 88,270.96

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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.