Home / 72,920.00-109,383.46-35,435.43

Finding the Fourth Proportional to 72,920.00, 109,383.46 and 35,435.43

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Solution

The fourth proportional to 72,920.00, 109,383.46 and 35,435.43 is: 53,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,920.00 : 109,383.46 = 35,435.43 : x
  2. Step 2: Convert to fraction form
    72,920.00/109,383.46 = 35,435.43/x
  3. Step 3: Cross multiply
    72,920.00x = 109,383.46 × 35,435.43
  4. Step 4: Simplify right side
    72,920.00x = 3,876,049,851.40
  5. Step 5: Solve for x
    x = 3,876,049,851.40/72,920.00
  6. Step 6: Final answer
    x = 53,154.82

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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.