Home / 101,906.04-140,629.57-56,584.18

Finding the Fourth Proportional to 101,906.04, 140,629.57 and 56,584.18

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Solution

The fourth proportional to 101,906.04, 140,629.57 and 56,584.18 is: 78,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,906.04 : 140,629.57 = 56,584.18 : x
  2. Step 2: Convert to fraction form
    101,906.04/140,629.57 = 56,584.18/x
  3. Step 3: Cross multiply
    101,906.04x = 140,629.57 × 56,584.18
  4. Step 4: Simplify right side
    101,906.04x = 7,957,409,134.29
  5. Step 5: Solve for x
    x = 7,957,409,134.29/101,906.04
  6. Step 6: Final answer
    x = 78,085.74

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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.