Home / 117,296.25-161,869.11-63,581.03

Finding the Fourth Proportional to 117,296.25, 161,869.11 and 63,581.03

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Solution

The fourth proportional to 117,296.25, 161,869.11 and 63,581.03 is: 87,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,296.25 : 161,869.11 = 63,581.03 : x
  2. Step 2: Convert to fraction form
    117,296.25/161,869.11 = 63,581.03/x
  3. Step 3: Cross multiply
    117,296.25x = 161,869.11 × 63,581.03
  4. Step 4: Simplify right side
    117,296.25x = 10,291,803,929.64
  5. Step 5: Solve for x
    x = 10,291,803,929.64/117,296.25
  6. Step 6: Final answer
    x = 87,741.97

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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.