Home / 117,174.06-161,699.40-63,457.86

Finding the Fourth Proportional to 117,174.06, 161,699.40 and 63,457.86

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Solution

The fourth proportional to 117,174.06, 161,699.40 and 63,457.86 is: 87,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,174.06 : 161,699.40 = 63,457.86 : x
  2. Step 2: Convert to fraction form
    117,174.06/161,699.40 = 63,457.86/x
  3. Step 3: Cross multiply
    117,174.06x = 161,699.40 × 63,457.86
  4. Step 4: Simplify right side
    117,174.06x = 10,261,097,887.28
  5. Step 5: Solve for x
    x = 10,261,097,887.28/117,174.06
  6. Step 6: Final answer
    x = 87,571.41

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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.