Home / 117,291.51-161,861.67-63,576.36

Finding the Fourth Proportional to 117,291.51, 161,861.67 and 63,576.36

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Solution

The fourth proportional to 117,291.51, 161,861.67 and 63,576.36 is: 87,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,291.51 : 161,861.67 = 63,576.36 : x
  2. Step 2: Convert to fraction form
    117,291.51/161,861.67 = 63,576.36/x
  3. Step 3: Cross multiply
    117,291.51x = 161,861.67 × 63,576.36
  4. Step 4: Simplify right side
    117,291.51x = 10,290,575,802.12
  5. Step 5: Solve for x
    x = 10,290,575,802.12/117,291.51
  6. Step 6: Final answer
    x = 87,735.04

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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.