Home / 72,767.97-100,383.04-42,533.54

Finding the Fourth Proportional to 72,767.97, 100,383.04 and 42,533.54

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Solution

The fourth proportional to 72,767.97, 100,383.04 and 42,533.54 is: 58,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,767.97 : 100,383.04 = 42,533.54 : x
  2. Step 2: Convert to fraction form
    72,767.97/100,383.04 = 42,533.54/x
  3. Step 3: Cross multiply
    72,767.97x = 100,383.04 × 42,533.54
  4. Step 4: Simplify right side
    72,767.97x = 4,269,645,974.85
  5. Step 5: Solve for x
    x = 4,269,645,974.85/72,767.97
  6. Step 6: Final answer
    x = 58,674.80

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1.5x scale

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.