Home / 74,581.64-111,913.47-35,137.73

Finding the Fourth Proportional to 74,581.64, 111,913.47 and 35,137.73

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Solution

The fourth proportional to 74,581.64, 111,913.47 and 35,137.73 is: 52,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,581.64 : 111,913.47 = 35,137.73 : x
  2. Step 2: Convert to fraction form
    74,581.64/111,913.47 = 35,137.73/x
  3. Step 3: Cross multiply
    74,581.64x = 111,913.47 × 35,137.73
  4. Step 4: Simplify right side
    74,581.64x = 3,932,385,292.22
  5. Step 5: Solve for x
    x = 3,932,385,292.22/74,581.64
  6. Step 6: Final answer
    x = 52,725.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.