Home / 87,558.22-120,828.54-53,564.14

Finding the Fourth Proportional to 87,558.22, 120,828.54 and 53,564.14

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Solution

The fourth proportional to 87,558.22, 120,828.54 and 53,564.14 is: 73,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,558.22 : 120,828.54 = 53,564.14 : x
  2. Step 2: Convert to fraction form
    87,558.22/120,828.54 = 53,564.14/x
  3. Step 3: Cross multiply
    87,558.22x = 120,828.54 × 53,564.14
  4. Step 4: Simplify right side
    87,558.22x = 6,472,076,832.56
  5. Step 5: Solve for x
    x = 6,472,076,832.56/87,558.22
  6. Step 6: Final answer
    x = 73,917.41

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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.