Home / 75,180.54-103,749.22-40,725.35

Finding the Fourth Proportional to 75,180.54, 103,749.22 and 40,725.35

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Solution

The fourth proportional to 75,180.54, 103,749.22 and 40,725.35 is: 56,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,180.54 : 103,749.22 = 40,725.35 : x
  2. Step 2: Convert to fraction form
    75,180.54/103,749.22 = 40,725.35/x
  3. Step 3: Cross multiply
    75,180.54x = 103,749.22 × 40,725.35
  4. Step 4: Simplify right side
    75,180.54x = 4,225,223,217.95
  5. Step 5: Solve for x
    x = 4,225,223,217.95/75,180.54
  6. Step 6: Final answer
    x = 56,201.03

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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.