Home / 101,910.25-140,629.26-56,588.02

Finding the Fourth Proportional to 101,910.25, 140,629.26 and 56,588.02

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Solution

The fourth proportional to 101,910.25, 140,629.26 and 56,588.02 is: 78,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910.25 : 140,629.26 = 56,588.02 : x
  2. Step 2: Convert to fraction form
    101,910.25/140,629.26 = 56,588.02/x
  3. Step 3: Cross multiply
    101,910.25x = 140,629.26 × 56,588.02
  4. Step 4: Simplify right side
    101,910.25x = 7,957,931,238.10
  5. Step 5: Solve for x
    x = 7,957,931,238.10/101,910.25
  6. Step 6: Final answer
    x = 78,087.64

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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.