Home / 117,172.44-161,697.06-63,457.29

Finding the Fourth Proportional to 117,172.44, 161,697.06 and 63,457.29

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Solution

The fourth proportional to 117,172.44, 161,697.06 and 63,457.29 is: 87,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,172.44 : 161,697.06 = 63,457.29 : x
  2. Step 2: Convert to fraction form
    117,172.44/161,697.06 = 63,457.29/x
  3. Step 3: Cross multiply
    117,172.44x = 161,697.06 × 63,457.29
  4. Step 4: Simplify right side
    117,172.44x = 10,260,857,228.57
  5. Step 5: Solve for x
    x = 10,260,857,228.57/117,172.44
  6. Step 6: Final answer
    x = 87,570.57

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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.