Home / 73,285.15-109,853.71-35,278.60

Finding the Fourth Proportional to 73,285.15, 109,853.71 and 35,278.60

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Solution

The fourth proportional to 73,285.15, 109,853.71 and 35,278.60 is: 52,882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,285.15 : 109,853.71 = 35,278.60 : x
  2. Step 2: Convert to fraction form
    73,285.15/109,853.71 = 35,278.60/x
  3. Step 3: Cross multiply
    73,285.15x = 109,853.71 × 35,278.60
  4. Step 4: Simplify right side
    73,285.15x = 3,875,485,093.61
  5. Step 5: Solve for x
    x = 3,875,485,093.61/73,285.15
  6. Step 6: Final answer
    x = 52,882.27

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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.